Maturity | 9a+ Sport route at Gozen Iwa

Change Log

Threads

Japan / Tokyo / Nishitama District, Tokyo

Bolted by Sachi Amma and Adam Ondra in 2016. Also known as DW project.

The first 9a+ in Japan.

Contributors

tvhc_tvhc

23 contributions since 31st October 2025.

remus

18 contributions since 23rd March 2025.

horace

13 contributions since 14th December 2024.

Jari Gerritsen

2 contributions since 26th February 2026.

Pics + Vids

No pics or vids yet.

Ascents

4 successful ascents recorded.

	Climber	Style	Ascent Date	Suggested Grade
	Sachi Amma	Lead \| worked	20th Dec 2017	9a+
	First ascent.
	References [1] https://www.instagram.com/p/BdAO-zXliNQ/ [2] https://www.instagram.com/p/Bc9HktzFcAd/
	Yu Okumura	Lead \| worked	2021
	Second ascent.
	References [1] https://www.climbing-net.com/news/maturity_keiichiro_korenaga_20250330/
	Minyoung Lee	Lead \| worked	2023
	Third ascent.
	References [1] https://www.climbing-net.com/news/maturity_keiichiro_korenaga_20250330/
	Keiichiro Korenaga	Lead \| worked	23rd Mar 2025
	Fourth ascent.
	References [1] https://www.instagram.com/p/DHiUcIHyE8i/ [2] https://www.climbing-net.com/news/maturity_keiichiro_korenaga_20250330/