Ymir | 8B+ Boulder problem at Shiobara

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5D in the Japanese system.

37 contributions since 2nd February 2026.

6 contributions since 17th March 2026.

No pics or vids yet.

No grade suggestions for this climb.

4 successful ascents recorded.

Climber	Style	Ascent Date
Ryuichi Murai	Boulder \| worked	15th Feb 2017
First ascent.
References [1] https://youtu.be/hf_O7Zle9F8
Shinichiro Nomura	Boulder \| worked	Before 15th Mar 2020
References [1] https://youtu.be/xqZRB6jjvAk
Toshi Takeuchi	Boulder \| worked	Before 9th Mar 2021
References [1] https://www.instagram.com/p/CMMF6EIjP3R/
Ritsu Kayotani	Boulder \| worked	1st Feb 2026
Fourth ascent.
References [1] https://www.instagram.com/p/DUNlXGTFMKE

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