Peak Mountain 3Add photo Edit Photo MapCopy LinkHomeUSACaliforniaLake TahoeI-80 CorridorAuburn and Grass ValleySouth Yuba River: 49 CrossingMerit BouldersIsland Rock>Corner AreteV1High Seam TraverseV2boulderingFA Alex McKenzie August 2018UPDATED BY vietnguyen Tick this climbDescriptionRoutes in Island Rock1High Seam TraverseV2Bouldering 2Corner AreteV1Bouldering3Island Rock SlabV-easyBouldering