Cae'r Defaid quarry
From Underfoot
Q88539310
Error: Invalid JSON (<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Wikimedia Commons SPARQL Query Error</title> <script src="https://cdn.tailwindcss.com"></script> <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap" rel="stylesheet"> <style> body { font-family: 'Inter', sans-serif; background-color: #f3f4f6; } .container { max-width: 900px; } .error-box { background-color: #fee2e2; color: #ef4444; padding: 1.5rem; border-radius: 0.5rem; border: 1px solid #ef4444; word-wrap: break-word; /* Ensure long URLs/messages wrap */ } code { background-color: #e2e8f0; padding: 0.2rem 0.4rem; border-radius: 0.25rem; font-family: monospace; } </style>
</head> <body class="p-4 flex items-center justify-center min-h-screen">
SPARQL Query Service
Operation Failed:
An error occurred during query execution: HTTP Error: 400 Response: SPARQL-QUERY: queryStr= SELECT DISTINCT ?item ?file ?date ?label ?qualityLabel ?latitude ?longitude ?type ?subtype ?source WHERE { SERVICE wikibase:label {bd:serviceParam wikibase:language 'en'} { SELECT DISTINCT ?item ?file ?date ?label ?quality ?latitude ?longitude ?type ?subtype ?source WHERE { { SELECT DISTINCT ?item ?date ?file ?type ?subtype ?source (COALESCE(?label1,?label2) AS ?label) (SAMPLE (COALESCE(?latitude1,?latitude2)) AS ?latitude) (SAMPLE (COALESCE(?longitude1,?longitude2)) AS ?longitude) (SAMPLE(?qualitylist) AS ?quality) WHERE { {?item wdt:P180 wd:Q88539310} UNION {SERVICE wikibase:mwapi{ bd:serviceParam wikibase:api 'Generator' . bd:serviceParam wikibase:endpoint 'commons.wikimedia.org' . bd:serviceParam mwapi:gcmtitle 'Category:Cae'r Defaid quarry' . bd:serviceParam mwapi:generator 'categorymembers' . bd:serviceParam mwapi:gcmtype 'file' . bd:serviceParam mwapi:gcmlimit 'max' . ?title wikibase:apiOutput mwapi:title . ?pageid wikibase:apiOutput '@pageid' . } BIND (URI(CONCAT('https://commons.wikimedia.org/entity/M', ?pageid)) AS ?item) } OPTIONAL {?item rdfs:label ?label1 FILTER(LANG(?label1) = 'en')} ?item schema:url ?url. BIND (CONCAT('File:',wikibase:decodeUri(substr(str(?url),52))) AS ?file) BIND(REPLACE(REPLACE(?file, '^File:', ), '.[^.]*$', ) AS ?label2) OPTIONAL {?item wdt:P571 ?date} OPTIONAL {?item wdt:P6731 ?qualitylist} OPTIONAL { ?item p:P1259 ?position1. ?position1 psv:P1259/wikibase:geoLatitude ?latitude1a. ?position1 psv:P1259/wikibase:geoLongitude ?longitude1a. BIND(STR(?latitude1a) AS ?latitude1) BIND(STR(?longitude1a) AS ?longitude1) } OPTIONAL { ?item p:P9149 ?position2. ?position2 psv:P9149/wikibase:geoLatitude ?latitude2a. ?position2 psv:P9149/wikibase:geoLongitude ?longitude2a. BIND(STR(?latitude2a) AS ?latitude2) BIND(STR(?longitude2a) AS ?longitude2) } BIND(CONCAT('commons') AS ?type) BIND(CONCAT('image') AS ?subtype) BIND(CONCAT('Commons') AS ?source) FILTER ( STRENDS(LCASE(STR(?file)), '.jpg') || STRENDS(LCASE(STR(?file)), '.jpeg') ) } GROUP BY ?item ?date ?file ?label1 ?label2 ?latitude1 ?latitude2 ?longitude1 ?longitude2 ?type ?subtype ?source } } ORDER BY DESC(?quality) ASC(?date) LIMIT 10 } } GROUP BY ?item ?file ?date ?label ?qualityLabel ?latitude ?longitude ?type ?subtype ?source ORDER BY ASC(?date) java.util.concurrent.ExecutionException: org.openrdf.query.MalformedQueryException: Lexical error at line 16, column 61. Encountered: " " (32), after : "r" at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:206) at com.bigdata.rdf.sail.webapp.BigdataServlet.submitApiTask(BigdataServlet.java:292) at com.bigdata.rdf.sail.webapp.QueryServlet.doSparqlQuery(QueryServlet.java:678) at com.bigdata.rdf.sail.webapp.QueryServlet.doPost(QueryServlet.java:275) at com.bigdata.rdf.sail.webapp.RESTServlet.doPost(RESTServlet.java:269) at com.bigdata.rdf.sail.webapp.MultiTenancyServlet.doPost(MultiTenancyServlet.java:195) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655) at org.wikidata.query.rdf.blazegraph.throttling.ThrottlingFilter.doFilter(ThrottlingFilter.java:322) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.throttling.SystemOverloadFilter.doFilter(SystemOverloadFilter.java:84) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at ch.qos.logback.classic.helpers.MDCInsertingServletFilter.doFilter(MDCInsertingServletFilter.java:50) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.QueryEventSenderFilter.doFilter(QueryEventSenderFilter.java:125) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.ClientIPFilter.doFilter(ClientIPFilter.java:43) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.JWTIdentityFilter.doFilter(JWTIdentityFilter.java:66) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.RealAgentFilter.doFilter(RealAgentFilter.java:33) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.RequestConcurrencyFilter.doFilter(RequestConcurrencyFilter.java:50) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1340) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1242) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle(Server.java:503) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683) at java.lang.Thread.run(Thread.java:750) Caused by: org.openrdf.query.MalformedQueryException: Lexical error at line 16, column 61. Encountered: " " (32), after : "r" at com.bigdata.rdf.sail.sparql.Bigdata2ASTSPARQLParser.parseQuery2(Bigdata2ASTSPARQLParser.java:404) at com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:741) at com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:695) at com.bigdata.rdf.task.ApiTaskForIndexManager.call(ApiTaskForIndexManager.java:68) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ... 1 more Caused by: com.bigdata.rdf.sail.sparql.ast.TokenMgrError: Lexical error at line 16, column 61. Encountered: " " (32), after : "r" at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilderTokenManager.getNextToken(SyntaxTreeBuilderTokenManager.java:3994) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.jj_ntk(SyntaxTreeBuilder.java:9637) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.RDFLiteral(SyntaxTreeBuilder.java:7189) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphTerm(SyntaxTreeBuilder.java:3893) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.VarOrTermOrTRefP(SyntaxTreeBuilder.java:8714) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphNodePath(SyntaxTreeBuilder.java:3786) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ObjectPath(SyntaxTreeBuilder.java:3467) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ObjectListPath(SyntaxTreeBuilder.java:3044) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.PropertyListPath(SyntaxTreeBuilder.java:2992) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.TriplesSameSubjectPath(SyntaxTreeBuilder.java:2919) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.TriplesBlock(SyntaxTreeBuilder.java:2321) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.BasicGraphPattern(SyntaxTreeBuilder.java:2097) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2034) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ServiceGraphPattern(SyntaxTreeBuilder.java:2534) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2370) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2459) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SubSelect(SyntaxTreeBuilder.java:416) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1965) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SubSelect(SyntaxTreeBuilder.java:416) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1965) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2056) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SelectQuery(SyntaxTreeBuilder.java:377) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.Query(SyntaxTreeBuilder.java:328) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.QueryContainer(SyntaxTreeBuilder.java:216) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.parseQuery(SyntaxTreeBuilder.java:32) at com.bigdata.rdf.sail.sparql.Bigdata2ASTSPARQLParser.parseQuery2(Bigdata2ASTSPARQLParser.java:336) ... 7 more
</body> </html>).
slate mine near Rhydymain, Gwynedd (formerly Merionethshire), Wales, United Kingdom
Wikimedia, Wikidata
Cae'r Defaid mine
United Kingdom,
-
Location: 52.7939, -3.8052, KML, Cluster Map, Maps,
152 places
-

Rotunda or Grotto ⓘ
Grade II listed building in Gwynedd. Set into the hillslope below Cliff House with panoramic views across the bay: accessed via steps and an arch from the main village road. -

Allt-Lwyd, Stone Quarry I ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry II ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry III ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry IV ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry IX ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry V ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry VI ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry VII ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry VIII ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry X ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry XI ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry XII ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry XIII ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry XIV ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry XV ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry XVI ⓘ
stone quarry in Llanegryn, Gwynedd -

Allt-Lwyd, Stone Quarry XVII ⓘ
stone quarry in Llanegryn, Gwynedd -

Arenig quarry ⓘ
slate quarry near Capel Celyn, Gwynedd (formerly Merionethshire), Wales, United Kingdom -

Blaen y Cwm Quarry ⓘ
disused Welsh slate quarry in Blaenau Ffestiniog -

Bodwylan, Stone Quarry I ⓘ
stone quarry in Llangelynnin, Gwynedd -

Bodwylan, Stone Quarry II ⓘ
stone quarry in Llangelynnin, Gwynedd -

Bodwylan, Stone Quarry III ⓘ
stone quarry in Llangelynnin, Gwynedd -

Braich-Ddu quarry ⓘ
Slate quarry near Trawsfynydd, Wales, United Kingdom -

Bryn Dinas Lead Mine ⓘ
former lead mine -

Bryn Eglwys ⓘ
disused slate quarry in north Wales -

Bryn Seward, Stone Quarry I ⓘ
stone quarry in Arthog, Gwynedd -

Bryn Seward, Stone Quarry II ⓘ
stone quarry in Arthog, Gwynedd -

Bryn Seward, Stone Quarry III ⓘ
stone quarry in Arthog, Gwynedd -

Bryn Seward, Stone Quarry IV ⓘ
stone quarry in Arthog, Gwynedd -

Bryn Seward, Stone Quarry V ⓘ
stone quarry in Arthog, Gwynedd -

Bryn Seward, Stone Quarry VI ⓘ
stone quarry in Arthog, Gwynedd -

Bryn Y Fedwen, shaft 2 ⓘ
lead mine in Cadfarch -

Bryn Y Fedwen, shaft 1 ⓘ
lead mine in Cadfarch -

Bwlch y Cwm quarry ⓘ
slate mine near Blaenau Ffestiniog, Conwy County Borough, Wales, United Kingdom -

Bwlch y Slaters quarry ⓘ
Slate mine near Blaenau Ffestiniog, Gwynedd (formerly Merionethshire), Wales, United Kingdom -

Bwlch-Y-Plwm ⓘ
lead mine in Llanfrothen -

Cae Conray Lead Mines. ⓘ
lead mine in Llanbrynmair -

Cae'r Defaid quarry ⓘ
slate mine near Rhydymain, Gwynedd (formerly Merionethshire), Wales, United Kingdom -

Caethlu Mine ⓘ
lead mine in Tywyn -

Cambergi quarry ⓘ
former slate quarry in Wales -

Cefn Cam quarry ⓘ
Slate quarry near Ganllwyd, Wales, United Kingdom -

Cefn Goch mine ⓘ
Gold mine near Ganllwyd, Gwynedd (formerly Merionethshire), Wales, United Kingdom -

Chwarel Ddu ⓘ
former slate quarry west of Dolwyddelan, in Carnarvonshire, Wales, UK -

Chwarel Lechi Gorllewin Llangynog ⓘ
Site of Special Scientific Interest in Wales -

Chwarel Ty'n-y-Coed ⓘ
quarry in Gwynedd, Wales -

Clogau Gold Mine ⓘ
gold mine in north-west Wales -

Coed Mawr quarry ⓘ
Slate quarry near Dolwyddelan, Wales, United Kingdom -

Conglog Slate Quarry ⓘ
former slate quarry in Wales -

Craig y Fron Stone Quarry, Bala ⓘ
stone quarry in Bala, Gwynedd -

Craig-Y-Mwyn Lead Mine ⓘ
lead mine in Llanrhaeadr-ym-Mochnant -

Croesor Quarry ⓘ
slate mine near the village of Croesor, Gwynedd (formerly Merionethshire), Wales, United Kingdom -

Cwm Cynfal quarry ⓘ
Small former slate quarry near Bryncrug in Merionethshire, Wales, UK -

Cwm-Llwyd, Stone Extraction Site ⓘ
quarry in Llanegryn, Gwynedd -

Cwm-Llwyd, Stone Quarry ⓘ
stone quarry in Llanegryn, Gwynedd -

Cwmrhaiadr Lead Mine ⓘ
lead mine in Cadfarch -

Cwt y Bugail quarry ⓘ
former slate quarry east of Blaenau Ffestiniog in Wales -

Cyfannedd Fawr Lead and Copper Mine ⓘ
lead mine in Arthog -

Cym-Byr Lead Mine ⓘ
lead mine in Cadfarch -

Cymerau quarry ⓘ
slate quarry in Wales, UK -

Diphwys Casson quarry ⓘ
Disused slate quarry in North Wales -

Dolgoch quarry ⓘ
former minor slate quarry in Mid-Wales -

Ffrith y Coed quarry ⓘ
Slate quarry halfway between Frongoch and Trawsfynydd, in Gwynedd (formerly Merionethshire), Wales, United Kingdom -

Foel-Gron mine ⓘ
Slate mine near Llan Ffestiniog, Wales, United Kingdom -

Fron-Boeth and Pant Mawr Quarries ⓘ
Two neighbouring disused slate quarries near Blaenau Ffestiniog, Gwynedd, Wales -

Frongoch quarry ⓘ
Disused slate quarry near Aberdyfi, in Mid-Wales, UK -

Gaewern Slate Works ⓘ
company -

Gamallt Lead Mine ⓘ
lead mine in Ffestiniog -

Gamallt Lead Mine ⓘ
lead mine in Ffestiniog -

Gamallt Lead Mines ⓘ
mine in Ffestiniog -

Gartheiniog quarry ⓘ
slate quarry in Wales, UK -

Graig Ddu quarry ⓘ
Disused slate quarry near Blaenau Festiniog in North Wales, UK -

Gwynfynydd Gold Mine ⓘ
gold mine in Wales -

Hendre-Ddu quarry ⓘ
former slate quarry near Aberllefenni, Wales, United Kingdom -

Hendreddu quarry ⓘ
slate quarry in Wales, UK -

Llanerchyraur Lead Mine ⓘ
lead mine in Llanbrynmair -

Llechwedd Slate Caverns ⓘ
tourist attraction in Gwynedd, Wales -

Llyn Y Manod ⓘ
lead mine in Ffestiniog -

Llyn Y Manod Mine ⓘ
lead mine in Ffestiniog -

Llynnau Gamallt ⓘ
lead mine in Ffestiniog -

Llynnau Gamallt Lead Mines ⓘ
lead mine in Ffestiniog -

Llynnau Gamallt Lead Mines i ⓘ
lead mine in Ffestiniog -

Llynnau Gamallt Lead Mines ii ⓘ
lead mine in Ffestiniog -

Minllyn quarry ⓘ
slate quarry near Dinas Mawddwy, Wales -

Moel Bowydd Zinc and Lead Mine ⓘ
lead mine in Ffestiniog -

Moelwyn Slate Quarry ⓘ
Defunct slate quarry in Wales -

Monkhouses Stone Quarry ⓘ
stone quarry in Llangynog, Powys -

Mwnglawdd Cwm Orog Lead Mine ⓘ
lead mine in Llangynog -

Nant Y Fedw ⓘ
lead mine in Cadfarch -

North Llangynog Lead Mine ⓘ
lead mine in Llangynog -

Nyth-y-Gigfran Quarry ⓘ
Disused slate quarry in Wales -

Oakeley Quarry ⓘ
Slate quarry in North Wales -

Ochr (Yr) Stone Quarry ⓘ
stone quarry in Llangynog, Powys -

Panteidal Copper Mine ⓘ
Bronze Age copper mine near Aberdyfi -

Parc quarry ⓘ
Disused slate quarry near Croesor in Gwynedd (formerly Merionethshire), Wales, United Kingdom -

Pen y Crug, Stone Quarry I ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen y Crug, Stone Quarry II ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen y Crug, Stone Quarry III ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen y Crug, Stone Quarry IV ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen y Garn, Stone Quarry I ⓘ
stone quarry in Llanegryn, Gwynedd -

Pen y Garn, Stone Quarry II ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-y-Crug, Stone Quarry I ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-y-Crug, Stone Quarry II ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-y-Crug, Stone Quarry III ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-y-Crug, Stone Quarry IV ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-y-Crug, Stone Quarry IX ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-y-Crug, Stone Quarry V ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-y-Crug, Stone Quarry VI ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-y-Crug, Stone Quarry VII ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-y-Crug, Stone Quarry VIII ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-y-Crug, Stone Quarry X ⓘ
stone quarry in Llangelynnin, Gwynedd -

Pen-Yr-Allt Lead Mine ⓘ
lead mine in Llanfrothen -

Penmachno quarry ⓘ
Disused slate quarry in North Wales -

Ratgoed Quarry ⓘ
quarry in Wales -

Rhiwbach Quarry ⓘ
disused slate quarry in North Wales -

Rhoswydol Lead Mine ⓘ
lead mine in Cadfarch -

Rhosydd Quarry ⓘ
disused slate mine in North Wales -

Serw quarry ⓘ
Slate mine near Llan Ffestiniog, Conwy County Borough, Wales, United Kingdom -

South Llangynog Lead Mine ⓘ
lead mine in Llangynog -

Stone Quarry I, Carreg y Fran ⓘ
stone quarry in Banwy, Powys -

Stone Quarry II , Carreg y Fran ⓘ
stone quarry in Banwy, Powys -

Tarren y Gesail Slate Quarry ⓘ
former slate quarry in Pennal, Gwynedd -

Trawsfynydd quarry ⓘ
Stone quarry near the village of Trawsfynedd, Wales, United Kingdom -

Twll Will Rhiwfelen ⓘ
lead mine in Banwy -

Twllydarren, Stone Quarry I ⓘ
stone quarry in Llanegryn, Gwynedd -

Twllydarren, Stone Quarry II ⓘ
stone quarry in Llanegryn, Gwynedd -

Ty'n-y-Bryn quarry ⓘ
Slate quarry near Dolwyddelan, Conwy, Wales, United Kingdom -

Tyddyn Gwladys Lead Mine ⓘ
lead mine in Ganllwyd -

Waun Oer, Stone Quarry I ⓘ
stone quarry in Llangelynnin, Gwynedd -

Waun Oer, Stone Quarry II ⓘ
stone quarry in Llangelynnin, Gwynedd -

Waun Oer, Stone Quarry III ⓘ
stone quarry in Llangelynnin, Gwynedd -

Waun Oer, Stone Quarry IV ⓘ
stone quarry in Llangelynnin, Gwynedd -

Waun Oer, Stone Quarry V ⓘ
stone quarry in Llangelynnin, Gwynedd -

Wrysgan Quarry ⓘ
Disused slate quarry in North Wales -

Yellow Aster Mine ⓘ
former gold mine in California -

Ysbyty, Bryn Llech: Stone Quarry ⓘ
stone quarry in Ysbyty Ifan, Conwy County Borough -

Aberllefenni Quarry ⓘ
slate quarry near the village of Aberllefenni, Wales, United Kingdom -

Braichgoch Slate Mine ⓘ
mine in the United Kingdom -

Maenofferen Quarry ⓘ
Slate quarry in Wales -

Cwmorthin quarry ⓘ
disused slate quarry in North Wales -

Llwyngwern quarry ⓘ
former slate quarry near Pantperthog, in Montgomeryshire (now Powys), Wales, UK -

Abercwmeiddaw quarry ⓘ
former Welsh slate quarry -

Llechwedd quarry ⓘ
Slate quarry in North Wales -

Cwm Ebol quarry ⓘ
former slate quarry in Mid-Wales -

Abercorris quarry ⓘ
former slate quarry in Corris Uchaf, Wales -

Tonfanau quarry ⓘ
Stone quarry near the village of Tonfanau, near Towyn, Wales, United Kingdom -

Aberglaslyn Long Tunnel ⓘ
railway tunnel in the UK -

Aberglaslyn Short Tunnel ⓘ
railway tunnel in the UK -

Barmouth Tunnel ⓘ
railway tunnel in the UK -

Blaenau Tunnel ⓘ
railway tunnel in the UK -

Old Moelwyn Tunnel ⓘ
abandoned tunnel of the Ffestiniog Railway in Wales -

New Moelwyn Tunnel ⓘ
tunnel of the Ffestiniog Railway in Wales
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| site | cave | Rotunda or Grotto | grotto | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry I | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry II | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry III | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry IV | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry IX | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry V | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry VI | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry VII | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry VIII | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry X | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry XI | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry XII | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry XIII | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry XIV | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry XV | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry XVI | stone quarry | Wikidata | |
| site | mine | Allt-Lwyd, Stone Quarry XVII | stone quarry | Wikidata | |
| site | mine | Arenig quarry | quarry | Wikidata | |
| site | mine | Blaen y Cwm Quarry | quarry | Wikidata | |
| site | mine | Bodwylan, Stone Quarry I | stone quarry | Wikidata | |
| site | mine | Bodwylan, Stone Quarry II | stone quarry | Wikidata | |
| site | mine | Bodwylan, Stone Quarry III | stone quarry | Wikidata | |
| site | mine | Braich-Ddu quarry | quarry | Wikidata | |
| site | mine | Bryn Dinas Lead Mine | lead mine | Wikidata | |
| site | mine | Bryn Eglwys | quarry | Wikidata | |
| site | mine | Bryn Seward, Stone Quarry I | stone quarry | Wikidata | |
| site | mine | Bryn Seward, Stone Quarry II | stone quarry | Wikidata | |
| site | mine | Bryn Seward, Stone Quarry III | stone quarry | Wikidata | |
| site | mine | Bryn Seward, Stone Quarry IV | stone quarry | Wikidata | |
| site | mine | Bryn Seward, Stone Quarry V | stone quarry | Wikidata | |
| site | mine | Bryn Seward, Stone Quarry VI | stone quarry | Wikidata | |
| site | mine | Bryn Y Fedwen, shaft 2 | lead mine | Wikidata | |
| site | mine | Bryn Y Fedwen, shaft 1 | lead mine | Wikidata | |
| site | mine | Bwlch y Cwm quarry | quarry | Wikidata | |
| site | mine | Bwlch y Slaters quarry | quarry | Wikidata | |
| site | mine | Bwlch-Y-Plwm | lead mine | Wikidata | |
| site | mine | Cae Conray Lead Mines. | lead mine | Wikidata | |
| site | mine | Cae'r Defaid quarry | slate mine | Wikidata | |
| site | mine | Caethlu Mine | lead mine | Wikidata | |
| site | mine | Cambergi quarry | quarry | Wikidata | |
| site | mine | Cefn Cam quarry | quarry | Wikidata | |
| site | mine | Cefn Goch mine | gold mine | Wikidata | |
| site | mine | Chwarel Ddu | quarry | Wikidata | |
| site | mine | Chwarel Lechi Gorllewin Llangynog | slate mine, Site of Special Scientific Interest | Wikidata | |
| site | mine | Chwarel Ty'n-y-Coed | quarry | Wikidata | |
| site | mine | Clogau Gold Mine | gold mine | Wikidata | |
| site | mine | Coed Mawr quarry | quarry | Wikidata | |
| site | mine | Conglog Slate Quarry | slate quarry | Wikidata | |
| site | mine | Craig y Fron Stone Quarry, Bala | stone quarry | Wikidata | |
| site | mine | Craig-Y-Mwyn Lead Mine | lead mine | Wikidata | |
| site | mine | Croesor Quarry | slate mine | Wikidata | |
| site | mine | Cwm Cynfal quarry | quarry | Wikidata | |
| site | mine | Cwm-Llwyd, Stone Extraction Site | quarry | Wikidata | |
| site | mine | Cwm-Llwyd, Stone Quarry | stone quarry | Wikidata | |
| site | mine | Cwmrhaiadr Lead Mine | lead mine | Wikidata | |
| site | mine | Cwt y Bugail quarry | quarry | Wikidata | |
| site | mine | Cyfannedd Fawr Lead and Copper Mine | lead mine | Wikidata | |
| site | mine | Cym-Byr Lead Mine | lead mine | Wikidata | |
| site | mine | Cymerau quarry | quarry | Wikidata | |
| site | mine | Diphwys Casson quarry | quarry | Wikidata | |
| site | mine | Dolgoch quarry | quarry | Wikidata | |
| site | mine | Ffrith y Coed quarry | quarry | Wikidata | |
| site | mine | Foel-Gron mine | quarry | Wikidata | |
| site | mine | Fron-Boeth and Pant Mawr Quarries | slate quarry | Wikidata | |
| site | mine | Frongoch quarry | quarry | Wikidata | |
| site | mine | Gaewern Slate Works | slate mine | Wikidata | |
| site | mine | Gamallt Lead Mine | lead mine | Wikidata | |
| site | mine | Gamallt Lead Mine | lead mine | Wikidata | |
| site | mine | Gamallt Lead Mines | lead mine | Wikidata | |
| site | mine | Gartheiniog quarry | slate quarry | Wikidata | |
| site | mine | Graig Ddu quarry | quarry | Wikidata | |
| site | mine | Gwynfynydd Gold Mine | gold mine | Wikidata | |
| site | mine | Hendre-Ddu quarry | quarry | Wikidata | |
| site | mine | Hendreddu quarry | slate quarry | Wikidata | |
| site | mine | Llanerchyraur Lead Mine | lead mine | Wikidata | |
| site | mine | Llechwedd Slate Caverns | slate mine, tourist attraction, organization | Wikidata | |
| site | mine | Llyn Y Manod | lead mine | Wikidata | |
| site | mine | Llyn Y Manod Mine | lead mine | Wikidata | |
| site | mine | Llynnau Gamallt | lead mine | Wikidata | |
| site | mine | Llynnau Gamallt Lead Mines | lead mine | Wikidata | |
| site | mine | Llynnau Gamallt Lead Mines i | lead mine | Wikidata | |
| site | mine | Llynnau Gamallt Lead Mines ii | lead mine | Wikidata | |
| site | mine | Minllyn quarry | quarry | Wikidata | |
| site | mine | Moel Bowydd Zinc and Lead Mine | lead mine | Wikidata | |
| site | mine | Moelwyn Slate Quarry | quarry | Wikidata | |
| site | mine | Monkhouses Stone Quarry | stone quarry | Wikidata | |
| site | mine | Mwnglawdd Cwm Orog Lead Mine | lead mine | Wikidata | |
| site | mine | Nant Y Fedw | lead mine | Wikidata | |
| site | mine | North Llangynog Lead Mine | lead mine | Wikidata | |
| site | mine | Nyth-y-Gigfran Quarry | quarry | Wikidata | |
| site | mine | Oakeley Quarry | quarry | Wikidata | |
| site | mine | Ochr (Yr) Stone Quarry | stone quarry | Wikidata | |
| site | mine | Panteidal Copper Mine | copper mine | Wikidata | |
| site | mine | Parc quarry | quarry | Wikidata | |
| site | mine | Pen y Crug, Stone Quarry I | stone quarry | Wikidata | |
| site | mine | Pen y Crug, Stone Quarry II | stone quarry | Wikidata | |
| site | mine | Pen y Crug, Stone Quarry III | stone quarry | Wikidata | |
| site | mine | Pen y Crug, Stone Quarry IV | stone quarry | Wikidata | |
| site | mine | Pen y Garn, Stone Quarry I | stone quarry | Wikidata | |
| site | mine | Pen y Garn, Stone Quarry II | stone quarry | Wikidata | |
| site | mine | Pen-y-Crug, Stone Quarry I | stone quarry | Wikidata | |
| site | mine | Pen-y-Crug, Stone Quarry II | stone quarry | Wikidata | |
| site | mine | Pen-y-Crug, Stone Quarry III | stone quarry | Wikidata | |
| site | mine | Pen-y-Crug, Stone Quarry IV | stone quarry | Wikidata | |
| site | mine | Pen-y-Crug, Stone Quarry IX | stone quarry | Wikidata | |
| site | mine | Pen-y-Crug, Stone Quarry V | stone quarry | Wikidata | |
| site | mine | Pen-y-Crug, Stone Quarry VI | stone quarry | Wikidata | |
| site | mine | Pen-y-Crug, Stone Quarry VII | stone quarry | Wikidata | |
| site | mine | Pen-y-Crug, Stone Quarry VIII | stone quarry | Wikidata | |
| site | mine | Pen-y-Crug, Stone Quarry X | stone quarry | Wikidata | |
| site | mine | Pen-Yr-Allt Lead Mine | lead mine | Wikidata | |
| site | mine | Penmachno quarry | quarry | Wikidata | |
| site | mine | Ratgoed Quarry | quarry | Wikidata | |
| site | mine | Rhiwbach Quarry | quarry, railway | Wikidata | |
| site | mine | Rhoswydol Lead Mine | lead mine | Wikidata | |
| site | mine | Rhosydd Quarry | slate quarry, mine | Wikidata | |
| site | mine | Serw quarry | quarry | Wikidata | |
| site | mine | South Llangynog Lead Mine | lead mine | Wikidata | |
| site | mine | Stone Quarry I, Carreg y Fran | stone quarry | Wikidata | |
| site | mine | Stone Quarry II , Carreg y Fran | stone quarry | Wikidata | |
| site | mine | Tarren y Gesail Slate Quarry | slate quarry | Wikidata | |
| site | mine | Trawsfynydd quarry | quarry | Wikidata | |
| site | mine | Twll Will Rhiwfelen | lead mine | Wikidata | |
| site | mine | Twllydarren, Stone Quarry I | stone quarry | Wikidata | |
| site | mine | Twllydarren, Stone Quarry II | stone quarry | Wikidata | |
| site | mine | Ty'n-y-Bryn quarry | quarry | Wikidata | |
| site | mine | Tyddyn Gwladys Lead Mine | lead mine | Wikidata | |
| site | mine | Waun Oer, Stone Quarry I | stone quarry | Wikidata | |
| site | mine | Waun Oer, Stone Quarry II | stone quarry | Wikidata | |
| site | mine | Waun Oer, Stone Quarry III | stone quarry | Wikidata | |
| site | mine | Waun Oer, Stone Quarry IV | stone quarry | Wikidata | |
| site | mine | Waun Oer, Stone Quarry V | stone quarry | Wikidata | |
| site | mine | Wrysgan Quarry | quarry | Wikidata | |
| site | mine | Yellow Aster Mine | gold mine | Wikidata | |
| site | mine | Ysbyty, Bryn Llech: Stone Quarry | stone quarry | Wikidata | |
| site | mine | 1400 | Aberllefenni Quarry | quarry | Wikidata |
| site | mine | 1787 | Braichgoch Slate Mine | quarry | Wikidata |
| site | mine | 1800 | Maenofferen Quarry | quarry | Wikidata |
| site | mine | 1810 | Cwmorthin quarry | slate mine, slate quarry | Wikidata |
| site | mine | 1828 | Llwyngwern quarry | quarry | Wikidata |
| site | mine | 1840 | Abercwmeiddaw quarry | quarry | Wikidata |
| site | mine | 1847 | Llechwedd quarry | quarry | Wikidata |
| site | mine | 1860 | Cwm Ebol quarry | quarry | Wikidata |
| site | mine | 1863 | Abercorris quarry | quarry | Wikidata |
| site | mine | 1892 | Tonfanau quarry | quarry | Wikidata |
| site | tunnel | Aberglaslyn Long Tunnel | railway tunnel | Wikidata | |
| site | tunnel | Aberglaslyn Short Tunnel | railway tunnel | Wikidata | |
| site | tunnel | Barmouth Tunnel | railway tunnel | Wikidata | |
| site | tunnel | Blaenau Tunnel | railway tunnel | Wikidata | |
| site | tunnel | Old Moelwyn Tunnel | railway tunnel | Wikidata | |
| site | tunnel | 1977 | New Moelwyn Tunnel | railway tunnel | Wikidata |