The Cornerstone is a large formation located in the far reaches of the Wonderland Valley. It's home to a fine assortment of face and crack routes including As the Crags Turn (5.7), General Hospital (5.9), All My Children and Tomato Amnesia.
Getting There
Follow directions to the Bighorn Dome, continue down the valley about .5 miles, generally following the wash. The Cornerstone will become obvious on the left side. The east side of the formation can be identified by the left leaning flake system ( "As The Crag Turns" ) and the large flake system which splits the face ( "General Hospital" and "Rope Opera" ).
The Classics
Mountain Project's determination of some of the classic, most popular, highest rated routes for The Cornerstone:
This rock is a good hour hike/scramble from the Wonderland Parking Area. Worth the time to climb if in the area. This and other far flung Wonderland destinations are probably better done as a short backpacking trip on a weekend instead of a day hike.
This crag, or any Wonderland crag, can easily be climbed in a day trip. There is a really good Bighorn sheep study going on in the Wonderland and it is therefore illegal to camp there. One of the controls of the study involves keeping humans out of the area at night.
Ryan - the routes in this portion of the Wonderland are perhaps more easily done as a weekend backpack trip, however the Wonderland is designated as day-use only. Spend the time to learn the terrain and more importantly - hike faster!
Print a Mini-Guide - Includes Routes!
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