HomeUSACaliforniaSan Diego CountySouth San Diego CountyMcCain ValleyCottonwood GiantsThunderdome formationThunderdome formationLAT,LNG 32.81286, -116.33691CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 1 Areas New Areas1Slab Warmup boulderCRAG