HomeUSAColoradoDenver Metropolitan Area Bouldering and BuilderingDenver SouthCastlewood Canyon SPBouldering problemsPunani Area/North CanyonConcentrate Boulder (across from Punani Boulder)Concentrate Boulder (across from Punani Boulder)LAT,LNG 39.35540, -104.76333CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 2 ClimbsComing soon: New Climbs1Flu ShotV4Bouldering2From ConcentrateV9Bouldering