Peak Mountain 3Add photo Edit Photo MapCopy LinkHomeUSASouth DakotaCuster State ParkSylvan LakeOutletsRiddle>Sundogs5.11+Goldstone's Riddle5.6tradsportFA August 5, 1968, by Richard Goldstone and Eric Bregman. No bolts placed.UPDATED BY vietnguyen Tick this climbDescriptionRoutes in Riddle1Goldstone's Riddle5.6Trad · Sport 2Sundogs5.11+Sport3CatDog5.10dSport