HomeUSARhode IslandArcadia Management AreaEscoheagMason Boulder, TheMason Boulder, TheLAT,LNG 41.58741, -71.75088CREATED UPDATED Edit MapShareDescription[Edit]overhung block at the end of the shark fin crag. about 200 ft from swamp thang.2 ClimbsComing soon: New Climbs1Get Your RestV8-Bouldering2Fully RestedV9-10Bouldering