GuidebooksArticlesAbout

Get the App

Moderated by Kimbrough Moore & Shannon Joslin
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.
Beta Video for climb Crumble Mumble v6, Mt. Tamalpais
Beta Video for climb Crumble Mumble v6, Mt. Tamalpais
Beta Video for climb Crumble Mumble v6, Mt. Tamalpais
Beta Video for climb Crumble Mumble v6, Mt. Tamalpais
Beta Video for climb Crumble Mumble v6, Mt. Tamalpais
Beta Video for climb Crumble Mumble v6, Mt. Tamalpais
Nathan Chau
@aybyal
First V6 flash outside!

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
Never get lost again with GPS pins, trails, and topos for 100+ major bouldering destinations across North America.
Download KAYA
WEATHER
SEASON CHART
APPROACH
Forecast for Mt. Tamalpais
Powered by the Tomorrow.io Weather API

CLIMBS RELATED TO CRUMBLE MUMBLE V6

Center Route v4
Bay View Boulders, Mt. Tamalpais
N/A
(1)
Solid
Centerline v4
Lower Boulders, Mt. Tamalpais
N/A
Solid
The Molar Traverse v4
Molar Boulder, Mt. Tamalpais
4.0
(4)
Solid
Trailside Face v4
Lake View Boulders, Mt. Tamalpais
4.3
(11)
Solid
Liechen Detector v5
Bay View Boulders, Mt. Tamalpais
N/A
Solid

Bouldering Near Me in KAYA

Squamish
Red Rock
Joshua Tree
Bishop
Hueco Tanks
Joe's Valley
Clear Creek Canyon
Victoria
Ogden
Lincoln Lake
Guanella Pass
Lake Tahoe
Little Cottonwood Canyon
New River Gorge
Coopers Rock
Smith Rock
Black Mountain
Leavenworth
Kelowna
Hatcher Pass
Devil's Lake
Poudre Canyon
Tramway
Vedauwoo
Rocky Mountain National Park
Lake Ramona
Horseshoe Canyon Ranch
Vancouver
Ibex
Stone Fort
Mount Woodson
Canmore & Kananaskis
Red Feather Lakes
Big Cottonwood Canyon
Flagstaff Mountain, CO
Moore's Wall
Rumbling Bald
Nanaimo
Fraser Valley
Reimer's Ranch
Calabogie
Tulsa, OK
Mineral King
Rocktown
Stoney Point
Cedar City
Horse Pens 40
Malibu
Santa Barbara
Vernon
Comox Lake
Doyle
New York City
Moe's Valley
Gold Bar
The Nooks
Uintas
Adirondacks
Eldorado Canyon
Stevens Pass
Gunpowder Falls
Holy Boulders
Massacre Rocks
Boat Rock
Reynolds Creek
Triassic
Box Springs Mountain Reserve
Needle Peak
Horse Flats
Utah Hills
Miller River
Taylors Falls
Smugglers' Notch
Mt. Blue Sky
Sandstone
Yankee Jim
Rock Shop
Mount Rubidoux
Moab
Index
Berkeley
North Bend
Castle Rock State Park
Purgatory
Dixon School Road
Sam's Throne
Patapsco Valley State Park
Porcupine Hills
Barton Creek Greenbelt
Cowell
Price Canyon
Cache Valley
Carver
Catoctin Mountain
Northwest Branch
Tieton River
Great Falls
Grand Ledge
Rogers Park
Big Rock, SC