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The Sentinel

Routes Sorted
L to R R to L Alpha
Crooked Cross T 
Eye Sockets Look Down on Chess Board Metals T 
Fogline S 
I Spy T 
Koon's Corner T 
Roundabout T 
Southern Cross T 
Spy Story T 

The Sentinel Rock Climbing 

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Administrators: Leo Paik, John McNamee, Frances Fierst, Monty, Monomaniac, Kristine Hoffman (sitewide)
Submitted By: pete cogan on Jul 31, 2002

73° | 52°

80° | 52°

71° | 45°

56° | 42°

50° | 38°

52° | 38°
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BETA PHOTO: The west end of the Sentinal from the top of Dece...


The Sentinel boasts a 3 star (Hubbel's guide) trad route called Crooked Cross. 5 other trad routes are listed for the rock, and there is a seemingly new bolted line around the corner to the left of the first route, Spy Story. Some of the rock looks iffy, but Crooked Cross is clean and well worth doing. It has an easy walk off the top.

Getting There 

4.5 miles from the light at the junction of US 36 and CO 7 (Hubbel). There's a pulloff next to the river, and an easy low water crossing. You can't miss the Crooked Cross Crack high above you. Poison ivy is out there, but it didn't seem too bad. The quasi trail heads up to the right of Crooked Cross.

Climbing Season

Weather station 8.9 miles from here

8 Total Climbing Routes

['4 Stars',0],['3 Stars',1],['2 Stars',5],['1 Star',2],['Bomb',0]

Classic Climbing Routes in The Sentinel

Mountain Project's determination of the classic, most popular, highest rated climbing routes for The Sentinel:
Southern Cross   5.9 5c 17 VI 17 HVS 5a     Trad, 2 pitches, 200'   
Koon's Corner   5.9 5c 17 VI 17 HVS 5a     Trad, 1 pitch, 110'   
Crooked Cross   5.9+ 5c 17 VI 17 E1 5a     Trad, 2 pitches   
Fogline   5.10a 6a 18 VI+ 18 E1 5a     Sport, 1 pitch, 100'   
Browse More Rock Climbing Classics in The Sentinel

Featured Route For The Sentinel
Rock Climbing Photo: The final moves of pitch 1 (direct variation).

Crooked Cross 5.9+ 5c 17 VI 17 E1 5a  Colorado : Lyons : ... : The Sentinel
Grab a 50 meter rope and head up to the beautiful crack called Crooked Cross. Hike up to the right of the rock, then scramble left to its base. Pitch one is about 120 feet and will get you to the base of the crack itself. Pitch one begins, as you look up, about 30 feet to the right of the crack, at the low point of the wall. It's a very moderate pitch, perhaps 5.5 or 5.6, and begins in a 20 foot long right facing, bushy dihedral. Work up to what appears to be rap slings, and bang a hard lef...[more]   Browse More Classics in Colorado

Photos of The Sentinel Slideshow Add Photo
Rock Climbing Photo: The Sentinel with the "cross" very visib...
The Sentinel with the "cross" very visib...
Rock Climbing Photo: The Sentinel from CO Hwy. 7. Crooked Cross is the ...
BETA PHOTO: The Sentinel from CO Hwy. 7. Crooked Cross is the ...

Comments on The Sentinel Add Comment
Show which comments
By George Bell
From: Boulder, CO
Jun 28, 2004
During high water the normal crossing (straight below the climb) is swift and deep. It is easier to cross at a wide spot a couple hundred yards upstream, then endure a thrashing through poison ivy and battle up a rising traverse on steep grassy slopes to the base of the routes. At least you won't have to wait in line!

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