All Locations > California > Inland Empire > Riverside Area > Mt Rubidoux > Island Area

Classic Climbs for Island Wall Boulder

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

V4 6B 6 ● Spencer Boulder

● Spencer

V4 6B Boulder

All Locations

California (47,184)

Inland Empire (1,533)

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