HomeUSACaliforniaJoshua Tree National Park*Joshua Tree Bouldering*Black Rock Canyon Bouldering Ron Hubbard's BoulderL. Ron Hubbards Stack of RocksV-easyV-easyboulderingFA 4-8-19 unknown climber (sitting at the top of the rock in the area photo)UPDATED BY vietnguyen Tick this climbDescriptionRoutes in L. Ron Hubbard's Boulder1L. Ron Hubbard's Stack of Rocks MantleV0Bouldering2KinematicsV0-Bouldering3DianeticsV0+Bouldering4L. Ron Hubbards Stack of RocksV-easyBouldering5Introduction to Rock ClimbingV-easyBouldering