HomeUSAVermont1. Northern VermontBolton AreaBone MountainMain Cliff, The Radius WallC. Radius WallLAT,LNG 44.38992, -72.84909CREATED UPDATED Edit MapShareDescription[Edit]Between the Middle Cliff Wall and the Solstice Slab lies the narrow Radius Wall which contains Radius, Ulna, and Bone of Contention.0 ClimbsComing soon: New Climbs