Thumb Boulder  Photos:  Recent | Best | Popular Lat, Long:  32.9268, -117.1772 Map Page Views:  248. Good page?    Administrators:  Adam Stackhouse, Marc Kajut, M.Morley, Sam Vanderhyden, Tom Erickson Submitted By:  Raz on Dec 23, 2012 Make this area a Favorite What's New   Print a Mini-Guide with routes Add Route  Add Photo  Add Comment  Add Event

Current San Diego County Advisories MORE INFO >>> Thanks to ACSD for providing the following updates! ACSD Access and Nesting Advisories Poway Crag's Ramona Wall and Miller Time Wall have a closure in effect from Dec 15th through August 31st annually dur to nesting raptors Glen Cliff has a closure in effect from Dec 15th through August, or if/when it is determined that nesting is not occurring Mt Gower also has a closure in effect from Dec 15th through August, or if/when it is determined that nesting is not occurring In recent years, Gower has been home to seasonally nesting raptors. To avoid human disturbance of nesting activities, advisories may be in effect from around December through August. Check the ACSD and CNF websites for details. This information is a public crowdsourcing effort between the Access Fund, and Mountain Project. You should confirm closures, restrictions, and/or related dates. Keeping climbing areas open and conserving the climbing environment

BETA PHOTO: Two problems starting at the same holds

Description 

The climbs on this boulder are near vertical. Further, it features some of the better rock quality at Rancho Penasquitos.

Getting There 

This boulder lies at the western section of the waterfalls, on the southern side of the river. When approaching the waterfalls from the main trail, head left, down the stairs, and across the river. The boulder sits to the right, with the climbs facing north.

The Classics

Featured Route For Thumb Boulder

Hangnail Right V4  CA : San Diego County : ... : Thumb Boulder

Start on the left side of the face but work through a series of sidepulls facing the wrong way to finish on the right....[more]   Browse More Classics in CA