HomeUSAMassachusettsNorth ShoreCape AnnAgassiz Rock ReservationAgassiz RockSilo BoulderSilo BoulderLAT,LNG 42.55555, -70.70181CREATED UPDATED Edit MapShareDescription[Edit]Silo Boulder is a tall, cylinder-looking boulder on the northern side of the Little Agassiz boulderfield.4 ClimbsComing soon: New Climbs1The Good StuffV2+Bouldering2Silo Crack AKA Bump It Then Pump ItV0Bouldering3AndroidV2Bouldering4Named AreteV4Bouldering