HomeUSAMassachusettsEastern, MAGilbert Hills State ParkArrowhead BoulderArrowhead BoulderLAT,LNG 42.05742, -71.28252CREATED UPDATED Edit MapShareDescription[Edit]This boulder has a steep, bulging prow and a very hard project.2 ClimbsComing soon: New Climbs1Arrow HeadV8Bouldering2ProjectV11Bouldering