L
- Lognan Cables
- Loma del Pliegue Tumbado Trek
- Loma Panaderos
- Loma Verde Loop
- Lompoc to Santa Barbara
- London couloir
- London to Brighton Walk
- London Ultra 27.5k
- Lone Peak
- Lone Peak
- Lone Peak
- Lone Peak Approach
- Lone Peak - NE Couloir
- Lone Star Hiking Trail
- Lone Star Hiking Trail
- Lone Wolf
- Lone Wolf Trail
- Longborough - Donnington
- Long Flow Job Loop
- Long Lake Lollipop
- Long Lake Lollipop
- Long Pine Key Nature Trail
- Long Pine Key Nature Trail
- Long Point Trail
- Longshot
- Longs Peak: Keyhole Route
- Long Trail: Big Branch to US-4
- Long Trail: Massachusetts State Line to Stratton Pond
- Long Trail: Northern Terminus via Journeys End Trail
- Long Trail: Southern Terminus via the Appalachian Trail
- Long Trail South to Mansfield Summit
- Long Trail: Stratton Pond to Big Branch
- Long Trail: US-4 to VT-125
- Long Trail: VT-125 to Winooski River
- Long Trail: VT-15 to Canada
- Long Trail: Winooski River to VT-15
- Longwood Gardens
- Lonquimay Volcano southeast ascend
- Lonscale Fell
- Looking Glass Rock
- Lookout
- Lookout
- Lookout (Bike)
- Lookout Col To The Ravens
- Lookout Louise
- Lookout Mountain Forest Preserve: Waterfall Trail
- Lookout Mountain Loop
- Lookout Mountain Loop
- Lookout Mountain via Chimney Gulch
- Lookout Mountain via Chimney Gulch
- Looptour around the Dachstein - blue option - stage 1
- Looptour around the Dachstein - blue option - stage 2
- Looptour around the Dachstein - blue option - stage 3
- Loose Moose Shuttle
- Loowit Trail
- l'Orciere
- Lord of the ARTVA
- L'Orée du Bois
- Lorenzhorn (3048m)
- Los Arenales Chute
- LOSETTA TRAIL
- Los Gatos Creek Trail
- Los Gatos Creek Trail: Out-and-Back
- Los Gatos Creek Trail: Out-and-Back
- Los Gatos Creek Trail: Point-to-Point
- Los Gatos Creek Trail: Point-to-Point
- Los Leones Trail.
- Los Nacimientos
- Los Peñasquitos Canyon Waterfall Loop
- Lost Coast Trail
- Lost Coast Trail
- Lost Creek Falls
- Lost Emerald Necklace Trail
- Lost in the Woods Uphill Route
- Lost Lake
- Lost Lake and Crawford Canyon
- Lost Lake Blue Loop
- Lost Lake Blue Loop
- Lost Lake Blue Loop
- Lost Lake Easy Loop