All Locations > California > San Francisco B… > E Bay Area > Mt Diablo SP > Pine Canyon > Mammoth Rock

Proboscis

Name: Proboscis
Rating: 3.1

5.10c YDS 6b French 20 Ewbanks VII UIAA 20 ZA E2 5b British PG13

Routes in Mammoth Rock

L › R R › L A › Z

	Boromir S 5.11a 6c 22 VII+ 22 E3 5c
	Bridge of Sighs S 5.10c 6b 20 VII 20 E2 5b R
	Directisima S,TR 5.10c 6b 20 VII 20 E2 5b
	Peregrine/Raptors nest T 5.7 5a 15 V+ 13 MVS 4b R
	Proboscis S 5.10c 6b 20 VII 20 E2 5b PG13

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Type:	Sport, 2 pitches
GPS:	37.88029, -121.98765
FA:	Todd Worsfold and Sean Burke
Page Views:	3,404 total · 26/month
Shared By:	Stas Yurkevich on Oct 16, 2015 · Updates
Admins:	Aron Quiter, Mike Morley, Adam Stackhouse, Justin Johnsen, Vicki Schwantes, Salamanizer Ski Page Updates (admin only)

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Access Issue: Falcon Nesting Closure at Castle Rock Details

Castle Rock in Pine Canyon and the Wanna Get Away areas are closed for peregrine falcon nesting season, from February 1 through July 31st every year. All other Mount Diablo area crags are open to climbing. The news release is linked here parks.ca.gov/NewsRelease/493.

Description

Bolted route right from Peregrine.
Two bolt-protected slightly run out pitches in a great setting with fragile holds. Bolts locations make for some difficult and spicy clips. Belay on the top (of second pitch) from a big hole and walk off on descend.
First pitch:
Move to the left from second bolt is super cool- a lot of air under and great holds.
60 meters rope is enough for top-roping the first (most fun) pitch.
Could be done in one 58-meters pitch with 12+ quick-draws.

Second pitch:
Rock is fragile. The move after first bolt was the hardest for me. After that it goes way easier. At some point route goes way left from the bolt - put your longest sling to reduce rope drag or back clean it.

Location

In middle between Peregrine and Bridge of Sighs routs. Arête between two caves. Route could be easily seen from the trail. Bolts are camouflaged to the color or the rock.