HomeUSAColoradoGrand Junction AreaMcInnis Canyon BoulderingOpal HillPetrified HillPetrified HillLAT,LNG 39.14309, -108.75417CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 6 Areas New Areas1Opal Hill First BoulderCRAG2Mud Pile BoulderCRAG3Mammoth BoulderCRAG4Maiden Voyage BoulderCRAG5Left-Down, Right-Up BoulderCRAG6Bi-Bush BoulderCRAG