Akkadō
| Akkadō | |
|---|---|
| 安家洞 | |
 Inside the Akkadō | |
| Location | Iwaizumi, Iwate Prefecture, Japan |
| Coordinates | 39°59′1.1″N 141°44′10.05″E / 39.983639°N 141.7361250°E |
| Depth | 280 meters |
| Length | 23,702 meters |
| Geology | limestone |
| Access | public |
| Show cave length | 700 meters |
| Website | http://www.town.iwaizumi.iwate.jp/kankoumap/akkadou.html |
Akkadō (安家洞) is a limestone cavern located in Iwaizumi, Iwate, Japan. It has a measured length of 23,702 metres (77,762 ft), which is the longest in Japan.[1] The cave system is designated as a Natural monument by the Japanese government in 1980. From 1991, a portion of caverns were opened to the public for part of the year.
References
External links
Media related to Akkado at Wikimedia Commons
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