HomeUSACaliforniaJoshua Tree National Park*Joshua Tree Bouldering*Black Rock Canyon BoulderingBlack Rock Canyon BoulderingLAT,LNG 34.07321, -116.38627CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 2 Areas New Areas1L. Ron Hubbard's BoulderCRAG2Black Rock BoulderCRAG