All Locations > California > San Francisco B… > S Bay Area > Castle Rock Area > Castle Rock Ar… > Indian Rock Side

Classic Climbs for Clamshell Boulder

Mountain Project's determination of the most popular, highly-rated routes.

● The Clam

V4 6B Boulder

● Static Reach

V8 7B Boulder

● Clam Digger

V9 7C Boulder

● Static Reach Sit

V10 7C+ Boulder

Welcome

Join the Community! It's FREE

Get Started

onX products are built by adventurers, for adventurers. We believe that every adventurer needs to know where to go, to know where they stand, and to be able to share their experiences.
About onX
Careers