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The rock consists of limestone/ chert. With boulders between a few feet till 20 feet tall. The boulders are graded according to the Japanese Dankyu grading system. With problems ranging between Fb3 and Fb8B.
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- Article about bouldering in, and around Tokyo
- Climbing.com article about climbing and bouldering in Japan
- Ukclimbing.com article about bouldering in Ogawayama and Mitake
- Japantimes.com article about bouldering in Mitake
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