HomeUSASouth DakotaNeedles Of Rushmore, TheMount Rushmore National MemorialMount BaldyBaldy's Lil-BrotherMountain Top, TheQuartz CaveQuartz CaveLAT,LNG 43.89420, -103.46240CREATED UPDATED Edit MapShareDescription[Edit]Amazing cave with one of the highest quality boulder problems (Crystal Meth) in South Dakota. Crystal Meth Stand by itself is well worth the trek. Hard to find but if you shoot me a message, I will give you good directions.3 ClimbsComing soon: New Climbs1Crystal MethV10Bouldering2Mini BuffaloV2Bouldering3Crystal Meth (stand)V6Bouldering