L
- Lion Rock
- Lion's -> Mack Ridge Loop
- Lisa Falls
- Lisi Osl Trail
- Liskamm West Summit (4479 m)
- Lissjenibba 'Blaeja' Traverse
- Lithia Park Loop
- Lithia Reservoir
- Lithium Shuttle
- L’itinéraire's junction
- L’itinéraire's line
- Litlgladnebba
- Litlskjorta
- Little AK (aka A-Basin Buttress)
- Little Alder
- Little Austria from Lee
- Little Austria - Main
- Little Ball - Black Snout Loop
- Little Bear Peak
- Little Bear Peak
- Little Bear to Blanca Peak Traverse
- Little Beehive
- Little Brave Uphill
- Little Calumet River Trail
- Little Chute
- Little Cottonwood Canyon Trail
- Little Cottonwood Canyon Trail
- Little Creek Mountain Double Loop
- Little Elden -> Christmas Tree Shuttle
- Little Flat Fire Tower
- Little Flat -> MST -> Shingletown Gap Loop
- Little French Flume
- Little Hourglass
- Little Lakes Valley Trail to Morgan Pass
- Little Lakes Valley Trail to Morgan Pass
- Little Linleu's line
- Little Lougheed | C'est Notre Monde
- Little Mont Grange Line
- Little Mo -> Ramble On Gate
- Little Pine
- Little Rainbow Loop
- Little Scraggy Loop
- Little Sugar Epic
- Little Taos
- Little White
- Little Wild Horse Canyon
- Little Wild Horse Canyon
- Little Wild Horse Canyon -> Bell Canyon Loop
- Little Wild Horse Canyon -> Bell Canyon Loop
- Little Wild Horse Canyon -> Bell Canyon Loop
- Live Like Lisa Loop
- Live Like Lisa Shuttle
- Livewire
- Livigno to Cancano Lakes
- Livigno to S-Charl
- Livigno Valley
- Llac de Cubil area
- Llaima Ascension Route via Captren
- Llebre
- LLosada Couloir I
- LLosada Couloir II
- Llosada ridge
- Llosada to Funicamp
- Loam Line Loop
- Lobhorn Hut to Climb
- Lobo Peak via Yerba Canyon
- Lobo Peak via Yerba Canyon
- Lobotomy
- Lobuche to Dingboche via the Kongma La
- Locator Lake Trail
- Lochnagar Loop and the Glas Allt
- Lockett Meadow: Inner Basin Loop
- Lodgeview
- Lodgeview: Longer
- Log Chutes Downhill: Long Shuttle Run
- Log Chutes Downhill: Loop Ride
- Log Chutes Downhill: Short Shuttle Run
- Log couloir
- Loggerhead Key
- Logger’s Way -> Boy Scout