Elevation: 6,650 ft
GPS: 40.001, -105.39 Google Map · Climbing Area Map
Page Views: 133,255 total · 532/month
Shared By: Michael Komarnitsky on Dec 31, 2000 · Updates
Admins: Leo Paik, John McNamee, Frances Fierst, Monty, Monomaniac, Tyler KC
Access Issue: Seasonal Closure / 2021 Update - reopening Details

Description

This is a solid slab that will be cooler than a majority of rocks in the canyon due to its shaded north-facing location. Top access is via a trail shortly west of the rock. There are a number of enticing trad crack routes, many moderate and excellent for beginning trad leaders. Cob has a number of classic climbs on it, put up in the '50s and '60s.

L->R

East Face
A. Scratch?, 12-, 1p, gear.
B. Leave it of Lead It?, 12, 1p, gear.
C. Racing The Sun?, 11 X, 1p, bolt, gear or TR.
D. Devil's Dream, 9, 1p, 70', gear.
E. Eat Left, 10- PG-13, 1p, 50', gear.
F. Eat Right, 10 PG-13, 1p, 50', gear.
G. Body Talk?, 9+, 1p, gear.
H. Othello, 10, 1p, 60', gear.

North Face
I. Ms. Fanny Le- Pump, 11, 1p, gear.
J. Indistinction, 7+, 1p, gear.
K. Right Crack, 6, 1p, gear.
L. Night Vision, 10 PG-13, 2p, gear & bolts.
M. Huston Crack, 9-, 1p, 60', gear.
N. Aid Crack, 10+ R, 1p, 60', gear.
O. Face Route 11- X, 1p, 60', gear.
P. The Goat, 9, 1p, gear.
Q. East Crack, 10-, 2p, gear.
R. North Face Left, 8-, 2p, 210', gear.
S. North Face Center, 7+, 2p, 210', gear.
T. Empor, 8-, 2p, 210', gear.

Northwest bit
U. Variation, 9 R, 2p, 210', gear.
V. Northwest Corner, 8, 2p, 200', gear.
West Face
W. Hurley Direct, 10-, 2p, gear.
X. Brownies in The Basin, 9+ X, now 9+, 1-2p, bolts & gear.
Y. West Crack?, 9+, 2p, gear.
A. West Rib, 8, 2p, gear.
AA. West Dihedral, 8, 2p, gear.
BB. Upper West Face, ?
CC. Thunder Road, 12-, 1p, 70', bolts.
DD. Corn on the Cob, 10, 1p, 70', bolts.

Getting There

About 6.1 miles up the canyon, on the south side of Boulder Canyon there's a pullout on the left side of the road beneath the rock. It's obvious. Crossing the river can be sketchy; we found it to be easiest via some rocks that are at the east edge of the pullout. Find the trail running to the right and up to the base of the rock.
Crossing the stream requires a Tyrolean in high water. There are a few of these along the stream, one of which is very close to Cob Rock.

Descent

Per L Kap: the traditional descent is a walkoff to the west; however, due to the severely degraded and eroded condition of the hillside, a rappel anchor was added to the west of Empor in 2013. It has two bolted rap stations and can be done with a 60m rope. Local climbers are working with the landowner (Forest Service) to hopefully install an engineered descent trail. In the meantime, climbers wishing to avoid contributing to erosion can use the rappel anchors. The rappel route unavoidably crosses the Northwest Corner route, and some climbers might mistakenly use it for belay stations, so please be considerate and check before tossing your rope.

37 Total Climbs

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Classic Climbing Routes at Cob Rock

Mountain Project's determination of the classic, most popular, highest rated climbing routes in this area.
V3 6A
 7
Face Problem
Boulder
5.7+ 5a 15 V+ 13 MVS 4b
 519
North Face Center
Trad 2 pitches
5.7+ 5a 15 V+ 13 MVS 4b
 413
Empor
Trad 3 pitches
5.8 5b 16 VI- 15 HVS 4c
 97
Northwest Corner
Trad 2 pitches
5.8 5b 16 VI- 15 HVS 4c
 100
North Face Left
Trad 2 pitches
5.8 5b 16 VI- 15 HVS 4c
 39
West Rib
Trad 2 pitches
5.8 5b 16 VI- 15 HVS 4c
 23
West Dihedral
Trad
5.9 5c 17 VI 17 HVS 5a
 275
Huston Crack
Trad, TR
5.9 5c 17 VI 17 HVS 5a
 31
West Cracks
Trad
5.9+ 5c 17 VI 17 E1 5a
 40
Brownies In The Basin
Trad, Sport 2 pitches
5.10a 6a 18 VI+ 18 E1 5a
 67
Hurley Direct
Trad
5.10- 6a 18 VI+ 18 E1 5a
 32
Othello
Trad
5.10b 6a+ 19 VII- 19 E2 5b
 66
East Crack
Trad 2 pitches
5.10b 6a+ 19 VII- 19 E2 5b PG13
 36
Night Vision
Trad, Sport 3 pitches
5.10d 6b+ 21 VII+ 21 E3 5b
 135
Aid Crack
Trad, TR
Route Name Location Star Rating Difficulty Date
Face Problem
 7
V3 6A Boulder
North Face Center
 519
5.7+ 5a 15 V+ 13 MVS 4b Trad 2 pitches
Empor
 413
5.7+ 5a 15 V+ 13 MVS 4b Trad 3 pitches
Northwest Corner
 97
5.8 5b 16 VI- 15 HVS 4c Trad 2 pitches
North Face Left
 100
5.8 5b 16 VI- 15 HVS 4c Trad 2 pitches
West Rib
 39
5.8 5b 16 VI- 15 HVS 4c Trad 2 pitches
West Dihedral
 23
5.8 5b 16 VI- 15 HVS 4c Trad
Huston Crack
 275
5.9 5c 17 VI 17 HVS 5a Trad, TR
West Cracks
 31
5.9 5c 17 VI 17 HVS 5a Trad
Brownies In The Basin
 40
5.9+ 5c 17 VI 17 E1 5a Trad, Sport 2 pitches
Hurley Direct
 67
5.10a 6a 18 VI+ 18 E1 5a Trad
Othello
 32
5.10- 6a 18 VI+ 18 E1 5a Trad
East Crack
 66
5.10b 6a+ 19 VII- 19 E2 5b Trad 2 pitches
Night Vision
 36
5.10b 6a+ 19 VII- 19 E2 5b PG13 Trad, Sport 3 pitches
Aid Crack
 135
5.10d 6b+ 21 VII+ 21 E3 5b Trad, TR
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