HomeUSANew HampshireMerrimack ValleyDumplington Hill (The Dump)Big Boulder, TheBig Boulder, TheLAT,LNG 43.03830, -71.24330CREATED UPDATED Edit MapShareDescription[Edit]This is the rightmost formation at The Dump. Its a massive boulder with a 7 foot plus roof facing the railroad bed, The right side (facing the roof) is a vertical face with cracks and grooves running across it.3 ClimbsComing soon: New Climbs1TwerkV2Bouldering2Leech TherapyV1Bouldering3The Big Boulder5.8+Trad · Bouldering