HomeUSAArizonaSouthern ArizonaMount Lemmon (Santa Catalina Mountains)Mount Lemmon (Catalina Highway)7 - Upper HighwayAspen Trail BouldersPeter's ClusterPeter's ClusterLAT,LNG 32.42775, -110.75477CREATED UPDATED Edit MapShareDescription[Edit]This cluster of boulders lies just uphill & downstream of the parking lot. Cross bridge, walk past picnic tables and uphill trending right to find the one of the best V6s on the mountain.2 ClimbsComing soon: New Climbs1A Colorful LifeV7Bouldering2Diary of a PunterV5Bouldering