HomeUSASouth DakotaNeedles Of Rushmore, TheIron MountainRubrick's Ridge bouldersSplit Personalities RockSplit Personalities RockLAT,LNG 43.86263, -103.44086CREATED UPDATED Edit MapShareDescription[Edit]Next to the highway, great rock quality, very interesting route. This boulder can be identified by the thin horizontal split at eye level on the west face.2 ClimbsComing soon: New Climbs1Split PersonalitiesV2+Bouldering2Desperate PersonalitiesV1+Bouldering