HomeUSASouth DakotaNeedles Of Rushmore, TheGrizzly Bear CreekSea MonsterSea MonsterLAT,LNG 43.85833, -103.51418CREATED UPDATED Edit MapShareDescription[Edit]Believed to be previously unclimbed. Easiest summit route turned out not so easy.1 ClimbsComing soon: New Climbs1Sea Monster5.10+Trad