We're giving this page a facelift!Visit the previous versionto make edits.Peak Mountain 3Add photo Edit (TBD) Photo MapCopy LinkHomeUSACaliforniaSan Diego CountyNorth San Diego CountyMelrose BouldersJim Thoen BoulderDime Edge Crimping Masters AKA The Thin White Line.V3The Golden Age Traverse.V0boulderingFA Unknown?UPDATED BY vietnguyen DescriptionRoutes in Jim Thoen Boulder1West face AKA Sierra Club Route.V-easyBouldering2Southwest CornerV-easyBouldering3Thoen AreteV0Bouldering4Stone Masters.V1+Bouldering5Poway Mountain Boys.V1Bouldering6Dime Edge Crimping Masters AKA The Thin White Line.V3Bouldering7The Golden Age Traverse.V0Bouldering