HomeUSAMassachusettsNorth ShoreCape AnnAgassiz Rock ReservationAgassiz RockMarsh BoulderMarsh BoulderLAT,LNG 42.55555, -70.70181CREATED UPDATED Edit MapShareDescription[Edit]Marsh Boulder is a single, steep block with a few good problems.3 ClimbsComing soon: New Climbs1Digital CitizenV5-Bouldering2Moved to TearsV3Bouldering3Grain AlcoholV6-Bouldering