Fudai, Japan
Akkadō
Akkadō, 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. 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.
- City
- Fudai
- Country
- Japan
- Category
- Nature
- Suggested visit
- About 150 minutes
Background: Wikipedia