Akkadō

Akkadō (安家洞), located in Iwaizumi, Iwate Prefecture in the Tōhoku region of northern Japan, is the longest limestone cavern in Japan, with a measured length of 23,702 metres (77,762 ft).^[1] The cave system was designated as a Natural monument by the Japanese government in 1980. Since 1991, a portion of the caverns have been open to the public for part of the year.

Outline

There are flowstones and a subterranean lake.

Access

• Iwaizumi Town Bus
  • From/to Iwaizumibashi

References

1. [1] Archived 2012-07-09 at the Wayback Machine Journey to the Center of the Earth

External links

Media related to Akkado at Wikimedia Commons

• A Trip to Iwate Archived 2018-01-17 at the Wayback Machine
• Japan Travel Guide
• Morioka-Hachimantai Tourist Advisor