L
- Lost Lake Blue Loop
- Lost Lake Easy Loop
- Lost Lake Easy Loop
- Lost Lake Loop
- Lost Lake Loop
- Lost Lake Loop
- Lost Lake Loop
- Lost Lake Nature Trail
- Lost Lake Out-and-Back
- Lost Lake Out-and-Back
- Lost Lake Out-and-Back
- Lost Man Loop
- Lost Maples: East Trail Loop
- Lost Mine Trail
- Lost Prospector Loop
- Lost Prospector Loop
- Lost Shot Bowl
- Lost Shot Notch
- Lost Shot Straightline
- Los Volcanes and Timanfaya
- Loughrigg Terrace and Fell
- L'Ouilette East Face
- L'Ouillette North West face
- Loveland Pass Main line Hike
- Lower 110's
- Lower Alta
- Lower and Upper City Creek
- Lower Bear Pits
- Lower Blue Mountain Loop
- Lower Boogie
- Lower Broadway
- Lower Caravan Traverse
- Lower Cirque
- Lower City Creek Loop
- Lower Coffey's
- Lower combe's section line
- Lower Doane Valley Loop
- Lower East Wall
- Lower Faces Loop
- Lower Feather Trees
- Lower Green River Lake Loop
- Lower Hulls Gulch and Red Cliffs Loop
- Lower Kookie
- Lower lake's line
- Lower Little Austria
- Lower Loop
- Lower Loop
- Lower Loop
- Lower Mary Chutes
- Lower Muley Twist Loop from Post Corral
- Lower Mundy's Bowl
- Lower Myra Falls
- Lower NE King
- Lower Niagara's Chute
- Lower Niagara's Left
- Lower Old Lift Line
- Lower Parachute
- Lower part chairlift line
- Lower Pleasant Creek
- Lower Sauma Ridge Trail
- Lower Schöneben Trail
- Lower Showgirl -> Chutes and Ladders -> Tin Can Alley Loop
- Lower Slushman's Ravine
- Lower Spin Trail
- Lower Spring Canyon
- Lower Spring Canyon
- Lower Sunwapta Falls
- Lower Supreme DH
- Lower Table Rock
- Lower Winner Creek Loop
- Lower Winner Creek Trail
- Lower Yosemite Falls
- Low Exit
- Lox Chute
- Loyalsock Trail
- LTG
- L-Tree Chute (aka The Ramp)
- Lucky 13
- Lucky Peak Loop from Highland Valley
- Lucky Peak via Homestead and Lucky Peak Road