Hachiju-hachiya | 8B+ Boulder problem


Slab. Also known as 八十八夜.

Mizugaki, Japan. Another contender for world’s hardest slab. Originally graded 四段 V12; upgraded to 五段 V14 (by the first ascentionist) in the 2024 guide, having had no repeats in ~20 years.

Contributors
TdG
14 contributions since 19th July 2025.
remus
2 contributions since 20th July 2025.

Pics + Vids

No pics or vids yet.


Ascents

1 recorded ascents.

Climber Style Ascent Date Suggested Grade
Tokio Muroi Boulder | worked Between 1st Nov 2003 and 30th Nov 2005 8A+
First ascent.