S
- Summit Gully
- Summit Gully
- Summit Hike
- Summiting Cotopaxi (5897m)
- Summit Lake
- Summit Lake
- Summit Lake
- Summit Lake
- Summit Lakes
- Summit Slopes
- Summit West Uphill
- Sunbeam Basin
- Sunburst Peak
- Sun Cut
- Sun Dance
- Sun exposure line
- Sunlight Peak and Windom Peak from Chicago Basin
- Sunlight Peak and Windom Peak from Needleton
- Sunlight Peak and Windom Peak from Needleton
- Sunnegga - Tuftern - Zermatt (Waldweg)
- Sunny Face
- Sunny Glade
- Sunny Glades
- Sunny Morclan's line
- Sun Park Trail
- Sunrise
- Sunrise over Tbilisi
- Sunset
- Sunset Loop
- Sunset Peak
- Sunset Peak
- Sunset Ridge
- Sunset Ridge
- Sunset Rock
- Sunset Trail
- Sunset Trail to Marshall Peak
- Sunshine Bowl
- Sunshine Ski Out and Slack Country
- Sunshine Village to Porcupine Campground
- Sun Steps
- Suntop -> Skookum Flats Shuttle
- Super 8 Ski Tour
- Super Couloir
- Superior Hiking Trail
- SUPER PANORAMA FREERIDE
- Super Pipe
- Super S
- Superslope
- Super Spatule
- Super Star
- Supertubo
- Sure Shot
- Surfbird Mountain
- Surveyor's Ridge Loop
- Sushi Roll
- Sutherland Trail Out-and-Back
- Sutherland Trail Out-and-Back
- Suzy's Cave
- Sven's TRTER 50 test
- Swampy -> Mrazek Shuttle
- S-Way – Carosello 3000 Bike Park Livigno
- Sweeney's Switchbacks and John's Trail
- Sweetwater Loop
- Sweetwater Preserve
- Sweetwater Preserve
- Sweetwater Preserve Trail System
- S Weissfluhjoch ridge to Haupertali
- SW Face Sacajawea Peak
- Swiftcurrent Mountain
- Swiftcurrent Pass Trail
- Swinger
- Swiss 4000ers: Fluchthorn, 3795m
- Swiss 4000ers: Strahlhorn, 4190m.
- Swiss 4000ers: Weissmies 4017m
- Swiss 4000ers: Wiessmies, 4017m alternative route from the S
- Swiss Cheese
- Swiss Horn
- Swiss Side Loop
- Swiss Transalp: Adelboden to Lauenen
- Swiss Transalp: Grindelwald to Leissigen