HomeUSAMassachusettsEastern, MAChelmsford Thanksgiving Ground ForestChelmsford Thanksgiving Ground ForestLAT,LNG 42.56508, -71.34062CREATED UPDATED Edit MapShareDescription[Edit]Chelmsford Thanksgiving Ground Forest has easy access, short approaches, and free but limited parking. This is Conservation Land, so for ethical reasons I have decided against brushing the rock with wire brushes and I recommend following suit.1 ClimbsComing soon: New Climbs1Julius and WaddlesV2Bouldering