L
- Les Houches Cross Country Ski Track
- Les Houches Piste Tour
- Les Houches / Prarion
- Lesmurdie Falls
- Les Neyzets
- Les Paravalanches
- Les Perrins North
- Les Perrins South Face
- Les Portelle's front chairlift line
- Les portelle's steep line
- Les Posettes
- Le Spot
- Les Quatre Têtes North Couloir
- Les Renard's shortcut
- Les Renne's chésery line.
- Les Renne's lower part.
- Les Renne's middle line.
- Les Rhododendron's line
- Les Rognons
- Les Rossets
- Les Rouies, Voie de la Mafia
- L'essert north face
- L'essert steep couloir.
- L'Estany's traverse line
- Les Tétras - Arc 1800
- Les Tours Saint-Jacques
- Les Tronchets
- Les Verdaches
- l'Etale
- Le Tour - Aiguillette des Posettes - Refuge de Balme - Refuge Albert 1er (2702 m.) - Le Tour
- Le tour des Ayeres à Plaine Joux
- Le tour du Bramont ( Trailforks )
- Le Tour / Les Autannes
- Le Tour Piste Tour
- Le Trélod en boucle
- Le Vallon du Prariond
- Level Up
- Leverich Canyon Loop
- Levis Mounds: Beginner Loop
- Levis Mounds: Front Mounds
- Levis Mounds: Long Loop
- Lewis and Clark
- Lewis and Clark Trail Loop
- Lewis Ranch Uphill
- Lexington Arch
- Lezuo and All Fever
- L'hortell N face.
- L'hortell's gully line
- L'Hortell's lift line
- L'hortell's ridge line
- Liathach
- Libarna ed Alto Monferrato
- Liberty Ridge to Emmons Glacier Ski Descent on Mt. Rainier
- Lickey Hills Loop
- Lidingö Race Course
- Lift Gully
- Liftie's Leap
- Lighthouse Trail
- Lightning Ridge Cat Pickup Hike Route From Timberline Lot
- Lightning Ridge Tour
- Lightning Strike
- Likke Schloss Couloir
- Lille Blåmannen
- Lille Piggtinden
- Lime Kiln Loop
- LimoneXtreme Skyrace 2023
- Lincoln Woods Trail
- Lindeman Pass, Blue Mountains
- Lind Point Trail Loop
- Lindsey Park
- Lineham Ridge
- Line of the chairlift
- Linga's north line
- Linga's short cut line
- Lingmoor Fell from Elterwater
- Link
- Linleu's line
- Linville Falls
- Linville Gorge Circuit
- Linzerweg