HomeUSACaliforniaSonora Pass Highway (108)Columbia BoulderingUpper ArboretumUpper ArboretumLAT,LNG 38.03251, -120.38757CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 5 Areas New Areas1Two ScoopsCRAG2Main AreaCRAG3Entrance bouldersCRAG4Dan's CaveCRAG5Cellar Door areaCRAG