HomeUSASouth DakotaCuster State ParkSylvan LakeSylvan Lake BoulderingOutlet Boulder, TheOutlet Boulder, TheLAT,LNG 43.84625, -103.56438CREATED UPDATED Edit MapShareDescription[Edit]The Outlet boulder is in between Inner and Outer Outlet. This Boulder holds two John Gill Problems. One is the Classic layback problem as seen in the movie, " Friction Addiction.2 ClimbsComing soon: New Climbs1West Crack TraverseV5-Bouldering2Direct North OverhangV6Bouldering