Abukuma-do

Abukuma-dō is a limestone cave located in Fukushima Prefecture, Japan. The cave was discovered on August 15, 1969, northeast of the city of Tamura and was originally named Kamayama Shonyu-do (釜山鍾乳洞). It was designated a natural heritage of the town on February 7, 1971, and renamed Abukuma-dō on June 1,1973. Visitors can traverse a 600-metre-long path inside the cave as well as a 120-metre-long exploration course to view the stalactites and stalagmites. Each stalactite has taken more than eighty million years to form. Beyond the public areas lie about 2,500 metres of cave that are not open to the public. Nearby Abukuma Cave is the smaller Irimizu Shonyu-do, discovered in 1927. Irimizu Limestone Cave was designated a National Natural Treasure on December 28, 1934. The temperature inside Abukuma-dō is approximately 15 °C and the humidity is above 90%.

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Website, 

Wikimedia, Wikidata
protected area, show cave, Lover's Sanctuary, 

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Location: 37.3447, 140.6735, KML, Cluster Map, Maps,
7 places

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  Abukuma-do ⓘ
  limestone caves in Fukushima, Japan

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  入水鍾乳洞 ⓘ
  

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  いわき三和トンネル ⓘ
  

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  いわき水石トンネル ⓘ
  

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  こまちトンネル ⓘ
  

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  渡戸トンネル ⓘ
  

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  金山トンネル ⓘ
  

1898-08-23T00:00:00Z

1966-01-01T00:00:00Z

1898 — 1966 金山トンネル

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Frameless

Flowstones and Mushroom Rocks inside Abukuma-do Cave

Speleothem Inside Abukuma-do Cave

The Silver Frost at Abukuma-do

Boxwork Formation at Abukuma-do Cave

Abukuma limestone bluff

あぶくま洞 - panoramio - CyberOyaji (1)

あぶくま洞 - panoramio

あぶくま洞 - panoramio - CyberOyaji (2)

あぶくま洞 - panoramio - CyberOyaji

Abukumado

Type	Subtype	Date	Description	Notes	Source
site	cave		Abukuma-do	show cave, protected area	Wikidata
site	cave		入水鍾乳洞	solutional cave	Wikidata
site	tunnel		いわき三和トンネル	tunnel	Wikidata
site	tunnel		いわき水石トンネル	road tunnel	Wikidata
site	tunnel		こまちトンネル	tunnel	Wikidata
site	tunnel		渡戸トンネル	tunnel	Wikidata
site	tunnel	1898	金山トンネル	Japan's longest railway tunnel, railway tunnel, Japanese National Railways	Wikidata
commons	image		Flowstones and Mushroom Rocks inside Abukuma-do Cave		Commons
commons	image		Speleothem Inside Abukuma-do Cave		Commons
commons	image		The Silver Frost at Abukuma-do		Commons
commons	image		Boxwork Formation at Abukuma-do Cave		Commons
commons	image		Abukuma limestone bluff		Commons
commons	image		あぶくま洞 - panoramio - CyberOyaji (1)		Commons
commons	image		あぶくま洞 - panoramio		Commons
commons	image		あぶくま洞 - panoramio - CyberOyaji (2)		Commons
commons	image		あぶくま洞 - panoramio - CyberOyaji		Commons
commons	image		Abukumado		Commons