The Sibling is a small peak which lies almost due North of the Matron, perhaps 400-500 meters. It's large East Face can be seen from the Mesa Trail and from the South, one can view the sizable SOuth Face. Both the East and South Faces are broken and low angle for the bottom 2/3 of the rock, but increase in height, steepness and angle as one goes Westward, uphill. The North Face is quite large and will support perhaps a dozen lines if 'climbed out' but these are shorter lines.
To approach, reach the Matron's West Face, and strike out almost Due North to access a narrow hiking approach just below the "Lost And Found" Flatiron and the West Tip of the rock. You should arrive at the West End where the Routes NW Arete (5.8) and Chockstone Roof (5.7) both start. The North Face can be reached by going down NE from here, or presumably from the Shadow Canyon Trail. The South Face is guarded by dirty slabs to the South and is difficult to get to.
3 Total Routes
Featured Route For The Sibling
Northwest Arete 5.8 5b 16 VI- HVS 4c R CO : Flatirons : ... : The Sibling
This Route is on the W/SW face of the Sibling, essentially on what would be considered it's back side. The best approach to this is either up to the North side and then up around to the West, or going West until parallel with the top of the rock and slightly above, then dropping down into the West face from the South.This climb ascends the acute arete on the Northwest Corner. The climbing is relatively steep and thin in places, with a crux 1/3 of the way up. The pro is adequate, but adequate onl...[more] Browse More Classics in CO
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