Peak Mountain 3Add photo Edit Photo MapCopy LinkHomeUSACaliforniaLake TahoeI-80 CorridorAuburn and Grass ValleySouth Yuba River: 49 CrossingGiant Boulder Stack<CrossoverUm...boulderingtrFA Probably not meUPDATED BY vietnguyen Tick this climbDescriptionRoutes in Giant Boulder Stack1Well thenBouldering · Tr2CrossoverBouldering · Tr3Um...Bouldering · Tr