HomeUSAMontanaSouthwest RegionTobacco Root MountainsMason LakeMason LakeLAT,LNG 45.51720, -111.99100CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 2 ClimbsComing soon: New Climbs1One Life at a Time, PleaseV1Bouldering · Alpine2Beyond The WallV1Bouldering · Alpine