HomeUSACaliforniaLake TahoeI-80 CorridorAuburn and Grass ValleySouth Yuba River: 49 CrossingMushroom RockMushroom RockLAT,LNG 39.29862, -121.08933CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 0 ClimbsComing soon: New Climbs