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The Inner Outlet is the large formation hulking over Sylvan Lake. It is the nearest to the lake of the two huge monoliths that tower over the area. The Inner Outlet has some classic moderate trad lines, as well as some harder bolted routes. Classic Crack is one of the finest climbs in South Dakota, and shouldn't be missed by anyone.
From Sylvan Lake, walk along the trail on the near side of the lake. Walk underneath the giant chockstone, and head left. The Inner Outlet becomes obvious after walking around the ridge of rock behind the dam area.
20 Total Routes
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Mountain Project's determination of some of the classic, most popular, highest rated routes for Inner Outlet:
No need to be Chicken 5.6 4c 14 V S 4b Sport, 1 pitch, 80'
Wiessner Chimney 5.6 4c 14 V S 4b Trad, 1 pitch, 140'
Lander Turkey Shoot 5.6 4c 14 V S 4b Trad, Sport, 1 pitch, 80'
Retable Route 5.7 5a 15 V+ MVS 4b Trad, Sport, 3 pitches, 300'
Kamps Crack (Classic Crack) 5.8 5b 16 VI- HVS 4c Trad, 1 pitch, 120'
Other Trucker Favorites 5.8 5b 16 VI- HVS 4c Trad, 80'
Katey's Route 5.8 5b 16 VI- HVS 4c Trad, Sport, 1 pitch, 90'
Cold Feat 5.9 5c 17 VI HVS 5a Trad, Sport, 1 pitch, 120'
Hardrocker 5.10a 6a 18 VI+ E1 5a Trad, Sport, 1 pitch, 160'
Rockin' Harder 5.10+ 6b+ 21 VII+ E3 5b Sport, 1 pitch, 80'
Inner Outlet Gill Variation 5.10+ 6b+ 21 VII+ E3 5b Trad, 20'
The Rustlers 5.10+ 6b+ 21 VII+ E3 5b Trad, 1 pitch, 150'
Two Year Plan 5.11a 6c 22 VII+ E3 5c Trad, Sport, 1 pitch, 140'
Taste the Bun 5.11- 6c 22 VIII+ E3 5c R Trad, 1 pitch, 140'
Featured Route For Inner Outlet
Hardrocker 5.10a 6a 18 VI+ E1 5a SD : Custer State Park : ... : Inner Outlet
Start at the beginning of the Wiessner Chimney, scramble up the ramp/flake to the 2/3 bolt beefy belay. Move out left and up past 3 bolts. At the 3rd bolt head right for the hanging dihedral and clip the fourth bolt. Stem up the dihedral placing the stopper and alien on the way to the last bolt at the bulge. You can back this up with TCUs and then run it to the top. Great route, great exposure, long. Someone should replace the bolts as they are standard old school needles bolts....[more] Browse More Classics in SD