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Three Dihedrals

Routes Sorted
L to R R to L Alpha
A Cheval T 
Common Denominator T 
Curvilinear T 
Dihedral One T 
Dihedral Two T 
Dom Perignon T,S 
Dominator S 
Dominatrix T 
Pillar T,S 

Three Dihedrals Rock Climbing 


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Administrators: Leo Paik, John McNamee, Frances Fierst, Monty, Monomaniac, Kristine Hoffman (sitewide)
Submitted By: Ron Olsen on Mar 29, 2006
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  • Description 

    The Three Dihedrals area lies up and right of Tarot Wall. It has one popular sport route, Dominator (10b). The other routes are not frequently climbed, perhaps because they all require gear. Still, if you brought a rack with you, there are some worthwhile trad adventures to be found here.

    This area is somewhat disjointed. The most popular face, containing the routes Dominator, Dom Perignon, and Dominatrix, is right next to the Clipboard Area, and is easy to access.

    The other routes (Curvilinear, Pillar, Dihedral One, Common Denominator, Dihedral Two) are down and left of the Dominator area.

    L->R:

    Below and left of Dominator:

    A. Curvilinear, 10-, 1p, 40', gear. L-angling crack in secluded alcove.
    B. Pillar, 7, 1p, 50', gear & bolt. RFD up L side of pillar.
    C. A Cheval, 8, 100', bolts & gear.
    D. Dihedral One, 6, 1p, 100', gear. Ramp to RFD.
    E. Common Denominator, 9, 1p, 100', bolts & gear. Crack, arete, face.
    F. Dihedral Two, 6 or 7, 1p, 100', gear. Ramp to bushy corner.

    Dominator area:

    G. Dominatrix, 8 or 10-, 1p, 90', bolt & gear. Corner (8) or cracks (10a) to RFD.
    H. Dominator, 10, 1p, 60', bolts. Overhanging hand cracks.
    I. Dom Perignon, 9+, 1p, 60', bolts & gear. Hand crack.

    Getting There 

    There are two ways to get to the Dominator area:

    1. Climb up the talus field above the Tyrolean Traverse. A dirt path starts at the top of the talus. Follow the path uphill a bit until the trail splits. Take the left branch, toward Tarot Wall. After about 10', a faint trail heads off right, up the hill. Follow this path uphill to a big tree at the base of the Dominator wall.

    2. Instead of taking the trail to the left heading toward Tarot Wall, continue up the hill on the right trail branch. You'll eventually reach a steep wall with a scooped-out face; this is the route Strange Science. Go left and climb up some big boulders to a flat area. The Clipboard Area is to the right, and the Dominator wall is just left of that, at a right angle to the Clipboard wall. This is the most common approach.

    Dominator wall is rust colored, slightly overhanging and laced with cracks; it's hard to miss.

    To get to Curvilinear, Dihedral One, Common Denominator, and Dihedral Two:

    Use approach #1. Start hiking up the hill toward the Dominator area. After a short distance, a faint path heads off to the left. Take this to get to these routes. You'll see a low-angle slab; that's the start of Dihedral One, Common Denominator, and Dihderal Two. Go another 50' and uphill a bit to get to Curvilinear.

    See the route descriptions for more details.

    Climbing Season

    For the Second Tier area.

    Weather station 4.8 miles from here

    9 Total Climbing Routes

    ['4 Stars',0],['3 Stars',1],['2 Stars',3],['1 Star',4],['Bomb',1]
    ['<=5.6',2],['5.7',0],['5.8',3],['5.9',2],['5.10',2],['5.11',0],['5.12',0],['5.13',0],['>=5.14',0],['',0],['<=V1',0],['V2-3',0],['V4-5',0],['V6-7',0],['V8-9',0],['V10-11',0],['V12-13',0],['>=V14',0]

    Classic Climbing Routes in Three Dihedrals

    Mountain Project's determination of the classic, most popular, highest rated climbing routes for Three Dihedrals:
    Dominator   5.10c 6b 20 VII 20 E2 5b     Sport, 1 pitch, 60'   
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    Common Denominator 5.9+ 5c 17 VI 17 E1 5a  Colorado : Boulder Canyon : ... : Three Dihedrals
    Approach: Take the left branch in the approach as though going to The Horse, The Tower, et cetera. After about 20 feet, go right on an obvious trail as though going up to The Clipboard. After 50 feet or so, go left around the corner on a ledge and arrive at a pleasant platform beneath the Three Dihedrals, maybe 50 feet short of Curvilinear.Belay on a great ledge and climb a low-angle slab to a small ledge about 40 feet up (could belay here). Climb a 2-inch crack that angles up to the right a...[more]   Browse More Classics in Colorado

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