HomeUSACaliforniaLake TahoeI-80 CorridorDonner/Truckee BoulderingDonner PassGrouse Slabs BoulderingGrouse Slabs BoulderingLAT,LNG 39.32243, -120.31918CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 10 Areas New Areas1Grouse #4CRAG2Grouse #3CRAG3Grouse #2CRAG4Grouse #1CRAG5Unknown boulder (AKA Chili Peppers boulder)CRAG6Top of SwitchbacksCRAG7RookCRAG8Grouse #9AREA9Grouse #6CRAG10Grouse #5CRAG