HomeUSACaliforniaLos Angeles BasinAngeles National ForestArroyo Seco BouldersUpper Stream BoulderUpper Stream BoulderLAT,LNG 34.21305, -118.16018CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 3 ClimbsComing soon: New Climbs1TinkerbellV3Bouldering2Unnamed AreteV0Bouldering3Rufio (aka: Scrubbed Thin)V3Bouldering