HomeUSAMassachusettsEastern, MAGilbert Hills State ParkGreen and Yellow Boulder, TheGreen and Yellow Boulder, TheLAT,LNG 42.05950, -71.27590CREATED UPDATED Edit MapShareDescription[Edit]This is an obvious boulder on the trail.2 ClimbsComing soon: New Climbs1The Yellow ProblemV1+Bouldering2The Green AreteV2Bouldering