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Mt. Tamalpais
Lower Boulders
Crumble Mumble v6

Crumble Mumble v6

3.8
(62)
Pull on with a left hand sloper in a corner and a lower right hand undercling crimp above the rail. Climb up the overhang.
Crumble Mumble v6, Mt. Tamalpais - Beta Video from seanmorris
Sean Morris
@seanmorris
Crumble Mumble v6, Mt. Tamalpais - Beta Video from AriefNagara
Arief Nagara
@AriefNagara
Crumble Mumble v6, Mt. Tamalpais - Beta Video from edasaur
Ed W
@edasaur
Crumble Mumble v6, Mt. Tamalpais - Beta Video from austinclimbsweird
Austin Cheung
@austinclimbsweird
Crumble Mumble v6, Mt. Tamalpais - Beta Video from MattKoegel
Matt Koegel
@MattKoegel
Crumble Mumble v6, Mt. Tamalpais - Beta Video from Gravityisfake207
Aiden De Souza
@Gravityisfake207
Crumble Mumble v6, Mt. Tamalpais - Beta Video from aybyal
Nathan Chau
@aybyal
Crumble Mumble v6, Mt. Tamalpais - Beta Video from steven310
steven liang
@steven310
Crumble Mumble v6, Mt. Tamalpais - Beta Video from Kev
Kevin Jan
@Kev
Crumble Mumble v6, Mt. Tamalpais - Beta Video from jennyhuang
Jenny Huang
@jennyhuang
Crumble Mumble v6, Mt. Tamalpais - Beta Video from ericps
Eric Wong
@ericps
Crumble Mumble v6, Mt. Tamalpais - Beta Video from selynna
Selynna Sun
@selynna
Crumble Mumble v6, Mt. Tamalpais - Beta Video from slenderestman
Justin Wang
@slenderestman
Crumble Mumble v6, Mt. Tamalpais - Beta Video from Chancelot
Dendro Phile
@Chancelot
Crumble Mumble v6, Mt. Tamalpais - Beta Video from lucyyyy
Xinru H
@lucyyyy
Crumble Mumble v6, Mt. Tamalpais - Beta Video from BigHead
TheBigHead 🤪
@BigHead
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XJ Chen
@sw0415

Recent Ascents for Crumble Mumble v6

KAYA CLIMBER
DETAILS
DATE
XJ CHEN
@sw0415
★ 5(v6, Solid)
8.17.2026
IAIN LOZANO
@HamnTurkey
★ 4(v6, Solid)
7.16.2026
CATHY TAO
@ct2199
(v6, Solid)
7.12.2026
JACOB SQUIRES
@JacobSquires
(v6, Solid)
6.19.2026
QUAN PHAM
@qrimpin
★ 3(v6, Solid)
6.6.2026
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