K
- Kitzsteinhorn Glacier Freeride Run
- Kiwanis Park Lakefront Trail
- Kiwi Chutes
- Kjerringa
- Kjøvskardtinden
- K&K Runde mit dem E-Bike
- K&K Runde mit dem E-Bike
- Kleegrube
- Klein Kanada
- Kleinmachnow Loop
- Klein Matterhorn, North face, couloir 3
- Klein Matterhorn under the serac
- Klein Matterhorn West face
- Kleivdalsfjellet South Face
- Klettersteig - Dachstein Krippenstein
- Klettersteig "Via Steinbock"
- Klondike Bluffs: Agate and Jasper Loops
- Klondike Bluffs: Baby Steps -> Alaska -> Homer Loop
- Klondike Bluffs: Mega Steps -> Alaska -> Nome Loop
- Klondike Bluffs Sampler
- Klondike Ultra 50 / 100 km
- Klonzo
- Knappensteig
- Knebal Springs -> 8-Mile
- Kniel's
- Knife Edge
- Knob Hills
- Knob Hills
- Knot Slot
- Knox Mountain and Paul's Tomb
- Koblenzer Stadtwald City Forest
- Kobuk River to the Dunes
- Kodak
- Kögelsteig
- Koko Crater Tramway
- Kokoda Track
- Kolåstinden
- Kolmhaus Bike
- Kolmhaus Hike
- Kong
- Kongskrona
- Königsleitenspitze
- Konkordia Hut to Finsteraarhorn Hut
- Konkordia Hut to Hollandia Hut
- Kootenay Columbia Trail
- Koppentalwanderweg
- Koppenwinkel
- Kopphornet / Klovtinden Nord
- Kosciuszko Eastern Face
- Kosciuszko South Face
- Kosciuszko to Townsend
- Kozan no sawa bowl (center)
- Kozan no sawa (variation)
- Krahbergzinken
- Krakatoa
- Kranewitten
- Kraspessspitze
- Kreuzwiesenalm Loop
- Krimml Waterfalls
- Kroenke Lake
- Kuckucksnest“ Klettersteig Krippenstein
- Kuhlochscharte
- Kühtai Lakes
- Kuilau Ridge Trail Kaua'i's high country
- Kuliouou Ridge Trail
- Kūloa Point and Pools of 'Ohe'o
- Kungsleden
- Kvænan on Senja Islands
- Kvasstinden
- Kv du Mont-Blanc
- Kvittinden East Face
- Kwaay Paay Peak Trail