Deep Cut Guide

Cornerstone 5.11a/b

★ 3.0 · 114 Sport

FA: Aschert, Robertson, 1987

Am I at the right route?

Base placed (one source) ±10 m

One source gives this route its own point. Nobody has cross-checked it yet.

Take me there

Tap Where am I? to see distance and direction.
  1. ← Keystone 5.12b/c
  2. 29. Cornerstone
  3. Corrugation Corner 5.10c →

Position along the wall from the open catalogue (OpenBeta), not from a guidebook.

How did 5.11a/b feel?

Nobody has said yet.

Against the posted grade, which stays as its source states it. One answer per device; a later one replaces it.

Sun today
sun 07:30-14:00
Wall faces SE (USGS elevation). Shade from the surrounding terrain is counted.
Partly enclosed: the skyline averages 14° above horizontal.
Rain & forecast
0 mm of rain in the last 48 hours.
11-11 60°/34° · 0.0 mm · 13 mph · pm storms 0% 11-12 57°/37° · 0.0 mm · 12 mph · pm storms 0% 11-13 57°/38° · 0.0 mm · 10 mph · pm storms 0%
Open-Meteo, fetched 2026-11-11 18:40 UTC

Conditions reported

Nothing reported recently.

Report what you see

Reports are dated and fade on their own: wet rock after 3 days, a bad bolt after a year. No names, no text.

Access & safety

Emergency: call 911. Read out your location: Works without signal. If GPS fails, this crag's approximate map point is 38.63020 N, 105.21686 W (Cornerstone, Spiney Ridge). That point can be off by hundreds of metres, so say so.

Access details for this crag haven't been checked yet.

Sources

OpenBetaOpenStreetMap

More beta: OpenBeta · Mountain Project · theCrag

Keep Deep Cut Guide free

No ads, no paywall, no account. You can chip in directly to help keep it running.

Other routes at Spiney Ridge

All 34 routes →