Maturity | 9a+ Sport route at Gozen Iwa

Japan / Tokyo / Nishitama District, Tokyo
thecrag.com

Quick Info

Grade 9a+
Type Sport route
Crag Gozen Iwa
Country Japan 🇯🇵
Rock type Limestone
History
First ascent Sachi Amma (20th Dec 2017)
Bolted by Sachi Amma, Adam Ondra (2016)
Recorded repeats 3

Quick Info

Grade 9a+
Type Sport route
Crag Gozen Iwa
Country Japan 🇯🇵
Rock type Limestone
History
First ascent Sachi Amma (20th Dec 2017)
Bolted by Sachi Amma, Adam Ondra (2016)
Recorded repeats 3
Bolted by Sachi Amma and Adam Ondra in 2016. Also known as DW project.

The first 9a+ in Japan.

Contributors
23 contributions since 31st October 2025.
20 contributions since 23rd March 2025.
13 contributions since 14th December 2024.
2 contributions since 26th February 2026.
Show all 4

Pics + Vids

Loading pics and vids...

Ascents

4 successful ascents recorded.

Climber Style Ascent Date Suggested Grade
First ascent.

References

[1] https://www.instagram.com/p/BdAO-zXliNQ/

[2] https://www.instagram.com/p/Bc9HktzFcAd/

[3] Trying the route again in 2026 https://www.instagram.com/p/DdA82Pyk5xj/?img_index=1
Second ascent.

References

[1] https://www.climbing-net.com/news/maturity_keiichiro_korenaga_20250330/
Third ascent.

References

[1] https://www.climbing-net.com/news/maturity_keiichiro_korenaga_20250330/
Fourth ascent.

References

[1] https://www.instagram.com/p/DHiUcIHyE8i/

[2] https://www.climbing-net.com/news/maturity_keiichiro_korenaga_20250330/