HomeUSACaliforniaInland EmpirePerris AreaBig Rock AreaMain SlabMain SlabLAT,LNG 33.83803, -117.17265CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 3 Areas New Areas1Main Slab - LowerCRAG2Main Slab - UpperCRAG3Main Slab - The SundeckCRAG