S
- San Francisco to Santa Cruz
- San Giuseppe, Lago Palù, Sasso Alto
- Sanglier
- San Gorgonio via Vivian Creek Trail
- San Juan Trail
- San Luis Obispo to Pismo Beach
- San Luis Peak
- San Rafael Swell to Capitol Reef NP
- Santa Anita Canyon - Mt. Zion Loop
- Santa Barbara to Ventura
- Santa Clara Preserve
- Santa Cruz to Monterey
- Santa Elena Canyon Trail
- Santa Fe Baldy
- Santa Margarida -> Dragon Kahn Enduro Ride
- Santa Margarita River Trail
- Santa Maria Maggiore to Rimella (Chiesa)
- Sant'Antonio – Monti di Sobretta – Bormio 2000
- Santiago Lift Line
- Santiago Oaks
- Sap Line Extension
- Sapphire Bowl
- Sapphire Chutes
- Sarentino - Soprabolzano by Carlo Benvenuti #backtopuremountain
- Sarezza Skiers Left
- Sarlacc Loop
- Sarlacc Loop
- Sarlacc Out-and-Back
- Sarsteinüberquerung Bad Goisern bis Obertraun
- Sasamat Lake
- Sasquatch Chute
- Sass de Stria, history and legends
- Sass Pordoi Ski-tour
- Satellite
- Satterfield Trails: The Matrix and Roller Coaster
- Säuling
- Savage Alpine Trail
- Savage River Loop Trail
- Savin Kuk Ski Centre Out-and-Back
- Savoleyeres - Lac des Vaux - Savoleyeres
- Savoleyeres - Patier
- Savoleyres - Chez Simon (ShaleFest)
- Savoleyres - La Marlene
- Savoleyres - Moomin Forest
- Savoleyres - Planards Esserts
- Savoleyres - Pylons
- Savoleyres - Tournelle Left
- Savoleyres - Tournelle Right
- Sawbuck Uphill
- Sawmill
- Sawmill Trees
- Sawtooth Lake from Iron Creek
- Sawtooth Lake loop from Grandjean
- Sawtooth Ridge
- S-Bend Chutes
- Scafell Double Dose
- Scafell Pike and Great End by the Corridor Route
- Scafell Pike from Wasdale Head
- Scala and the Nature Reserve of Valle Delle Ferriere
- Scala couloir
- Scalottas to Alp Fops
- Scalottas to Alp Staz Panorama Trail
- Scarp Ridge -> Mount Emmons
- Scarp Ridge -> Mount Emmons
- Scarp Ridge Out-and-Back
- S.C.A.R. (Smokies Challenge Adventure Run)
- Schafseintenspitze North Face
- Scharnitz to Jenbach via the Achensee
- Scharnitz to Roßloch via the Kastenalm
- Schattenberg (1692m)
- Scherminator
- Schlasman's Chair Line
- Schlasman's Terrain Ropeline
- Schlegeis
- Schlegeisspeicher
- Schleyer
- Schlick Hike
- Schlittelbahn Preda-Bergün
- Schlossbachklamm
- Schlosspark Niederschönhausen Loop