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- Les Rossetts - Couloir Entry 1
- Lessinia Legend Lux
- Le Taillefer
- Le Tour -> Bec de Lachat
- Le tre ferrate
- Leuthold Couloir
- Le vie della fede
- Lewes To Haywards Heath XC Style
- liathachalligineighe
- Liberty Gully
- Lichtenberg Mountain Tour
- Lienzer Dolomiten Überschreitung
- Liffelspitze canale sud est
- Lifjell, 260m
- Lightning strike & Ripple ridge
- Likeke Falls Trail
- Likke Schloss
- Likya Yolu Bel Köy, Gavurağılı, Pydnai Parkuru
- Lille Russerinden Nord
- Lille Russetinden Sor
- Lime Kiln Trail
- Limit Chutes
- Limitlass Black - Masterblaster & Rattus
- Limitlass Blue - Oh Deer and Zapper
- Limitlass Green - Riverside Track towards Mount Keen
- Limitlass Green Route
- Limone Piemonte, Vernante par la cime Mirauda
- Lincoln State Park - Trail 2 & 3
- Linday's
- Line 3
- Línea 1 Falsa Parva
- Lingmell & Kirk Fell
- Lingmoor Fell
- Lingy - Great Calva, Knott, High Pike & Carrock Fell
- Linza Integral
- Lion's Bay to Unnecessary, Saint Marks, Strachan to West Vancouver
- Lion's Head Gully
- Lipsy Lake / Otter falls
- Lisnalinchy Circuit
- Litletinden
- Litli skógur og Skógarhlíðin Sauðárkróki
- Little Blue Couloir
- Little Chute I
- Little Chute II
- Little Chute IV
- Little Cottonwood Ridgeline Traverse
- Little Desert 2022
- Little Diamond Peak
- Little Fatty Couloir
- Little Headwall
- Little Lion to Big Lion
- Little Misery Island Loop
- Little Misery Island Trail 1
- Little Misery Island Trail 2
- Little Mount Peel
- Little Murph
- Little Pawnee Headwall
- Little Pawnee North Couloir East
- Little Pawnee North Couloir West
- Little Roundtop
- Little Sifton Traverse
- Little Solstein - Highest Peak of the Nordkette
- Little Sugar + Back40 - MTB 50 Miler
- Little Superior Buttress
- Little Town Loop rev1
- Little Water Peak
- Litton Cheney & Compton Valance Loop
- Living the Dream
- Ljubelj - Begunjščica čez centralno grapo
- Llaima volcano - Normal route variant
- Llançà
- Llanos de La Larri-Faja Monraspro baja-Nacimiento del Cinca-Pradera Pineta
- Llyn Cowlyd MTB Ride
- Llyn Idwal Circular
- Lobhörnhütte Hike From Grütschalp (Loop)
- Lobster Claw
- Lobuche East Normal Route
- Lo Chalet - Lago Scaffaiolo
- Lochan's Cirque
- Loch Fyne to Camp Site