Niagara Cave

Niagara Cave is a limestone cave located in Harmony, Minnesota. The cave is approximately 200 feet deep; features include an underground stream, 60-foot waterfall, fossils, stalactites and stalagmites. The cave is privately owned, with tours available seasonally.

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Wikidata
show cave, 

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Location: 43.5141, -92.0552, KML, Cluster Map, Maps,
3 places

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  Mystery Cave ⓘ
  longest cave in Minnesota, USA, located in Forestville/Mystery Cave State Park

• 

  Niagara Cave ⓘ
  cave in Minnesota, United States

• 

  Forestville/Mystery Cave State Park ⓘ
  state park in Forestville Township, Fillmore County, Minnesota, United States

1941-01-01T00:00:00Z

1941-01-01T00:00:00Z

1941 Forestville/Mystery Cave State Park

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Frameless

Greetings from Niagara Cave, Iowa-Minnesota State Line on Scenic Hiway U. S. 52, Harmony, Minnesota - Large Letter Postcard (8465703599)

Type	Subtype	Date	Description	Notes	Source
site	cave		Mystery Cave	show cave, cave	Wikidata
site	cave		Niagara Cave	show cave	Wikidata
site	cave	1941	Forestville/Mystery Cave State Park	Minnesota state park, cave	Wikidata
commons	image		Greetings from Niagara Cave, Iowa-Minnesota State Line on Scenic Hiway U. S. 52, Harmony, Minnesota - Large Letter Postcard (8465703599)		Commons