HomeUSACaliforniaJoshua Tree National Park*Joshua Tree Bouldering*Central Joshua Tree BoulderingEcho Rock BoulderingEcho Rock BouldersMaster CylinderMaster CylinderLAT,LNG 34.02594, -116.15522CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 3 ClimbsComing soon: New Climbs1Don't call me BillV9Bouldering2Master CylinderV5Bouldering3Gas GuzzlerV3+Bouldering