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The name Oyayubi Iwa (親指岩) translates as "Thumb Rock"


Access issues inherited from Ogawayama

Much of the information about this crag is from the online guide

Ethic inherited from Japan

There`s not a lot of information about in English on climbing in Japan. Much of the information is kept in personal blogs or is accessed through joining a climbing organization.

Many of the routes are well protected, while other less climbed "sport" routes have loose pitons as protection.

The Japan Free Climbing Association does a lot of good work ( but with some clubs and communities, many techniques and ethics are still passed down from old generations with outdated gear and techniques.

Some content has been provided under license from: © Neil Harrison (Copyright


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