HomeUSAMassachusettsNorth ShoreCape AnnTompson ReservationConcord EntranceJohn's BoulderJohn's BoulderLAT,LNG 42.62530, -70.71020CREATED UPDATED Edit MapShareDescription[Edit]This is a single good-sized block.5 ClimbsComing soon: New Climbs1Power StripV4Bouldering2Bull's EyeV4+Bouldering3Call of DutyV4-Bouldering4Special ForcesV5-Bouldering5Medical MarijuanaV3+Bouldering