HomeUSACaliforniaSan Diego CountySouth San Diego CountyMission GorgeMission Gorge BoulderingGrinding Stones Circuit, TheGrinding Stones Circuit, TheLAT,LNG 32.82415, -117.05312CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 3 Areas New Areas1Little Gray Block (aka The Tomahawk), TheCRAG2Indian Village Boulder, TheCRAG3Big Orange Block (aka The Spear Head), TheCRAG