At the west end of South Rock. R of "Yikes Dike". See reference photo.
At the W (west) end of South Rock there is a substantial, sloping, R (right) facing corner sporting a fat crack at its base. Follow this as it gradually steepens, then angle L (left) at its terminus into a shorter, more vertical, crack that leads to some low angle friction (reference photo). Continue past the below-mentioned bolt (from the original description below) to the anchor on the N (north) side. Note: The aforementioned bolt didn't look ancient to my eye, so I'm guessing it was replaced at some point in time.
Descent: Rappel from the fixed anchor on the N side (climber's left) into the crevasse and then scramble off 3rd class-ish terrain to the W (climber's/rappeller's right). This will return you to a point very near the start of the climb. CAVEAT EMPTOR: a 60m rope will not reach the ground, but... it will "should" after it's weighted. And... It WILL take considerable effort to retrieve your rope due to the anchor being situated a fair distance back from the lip. This is lovely for getting in position to start the rap, but you may have to tie a friction hitch (klemheist, or...) to the rope, clip it to your belay loop and use your full body weight to get it started. Once you have a sufficient amount of rope out you can decrease the angle by pulling from the higher ledge behind you. NOTE: There is also reported to be a rappel off of the opposite (south) side, but I have not used it.
Verbatim description from the Los Alamos Mountaineers original Tres Piedras Guide which is available online here: https://www.lamountaineers.org/Tres_Piedras/Tres_Piedras_Route_Guide.html
(5.6 , I, 1-1/2 pitches, B.P.) "This climb is just an inch over a pitch and ends at an old bolt left by some prehistoric carnivore, the climb begins at the low angle slab on the west tip of South Rock, a nice beginners climb as it envolves climbing in a jam crack and low angle friction, from the top of the jam crack to the bolt there is a slight lead out but the angle is low."
Kitchen sink. I found tricams to be VERY useful along with cams and stoppers. You will want to extend at least some of your runners to reduce rope drag.
Tucson, AZ
Tucson, AZ
ROCK CLIMBS AT TRES PIEDRAS - UNO ROCK WESTROCK= #1
1. QUARTZ DELIGHT ( 5.5, I, 1 pitch, E. ) : good beginner's friction but protection thin at top but angle very low, walk up gulley on West side of this rock, climb begins on your right to left of large flake on face, climb up, then bear right up crack between flake and face, go up to top, exit by walking East then descend gulley going South. Oct 22, 2024
Tucson, AZ
And I reply: "Good to know. I didn't find a key to those abbreviations in the original documents." Oct 23, 2024