C
- Combe's engaged line.
- Combe's line
- Come Hither
- Come sono dolci le terre fra Gavi e Dolcetto
- Comfortably Numb
- Coming back to Val Veny
- Comino Cirumnavigation
- Comma Chute
- Commonwealth Avenue Monuments
- Commonwealth Couloir
- Commonwealth Loop
- Como - Brunate - Monte Bolettone
- Comox Lake: Falls and Overlook
- Conasauga River Trail
- Conasauga River Trail
- Conche 2000's line
- Conche's line
- Conehead's
- Conflict Lake Trail
- Confluence Overlook
- Conical Hill
- Conic Hill
- Conoco Chute
- Conquer Mount Toubkal
- Conquest Trees
- Conscrits Hut to the Durier Hut via the Dômes de Miage
- Constitution Beach
- Constrictor Bowl Loop
- Contamine Couloir
- Contenery
- Continental Divide Trail
- Continental Divide Trail: Rabbit Ears Pass to Steamboat Springs
- Contour Trail -> Canal Trail Loop
- Contour Trail: Out-and-Back
- Contrebandier's Couloir
- Contrebandiers-Moyenmont-Bourrique
- Conundrum Hot Springs
- Conundrum Hot Springs
- Conundrum Peak: South Ridge
- Conundrum Peak: South Ridge
- Conveyor Trail
- Cookhouse Connector
- Cookie Drop
- Cook North Couloir
- Cool Creek Canyon Trail
- Coolwater
- Coontree Loop
- Coontree Loop
- Cooper's Cabin
- Cooper's Gap Tour
- Cop Killer
- Copland Valley Track
- Copper Canyon
- Copper Canyons Rim-to-Rim
- Copperfield Uphill
- Copper Harbor: The Flow Loop
- Copper Ridge Loop
- Coq's short cut line
- Coq's ski lift line
- Coqs trees
- Coquina Mina Trail
- Corbeau's chairlift line
- Corbeau's crossing line
- Corbeau's line
- Corbeau's line sunny face
- Corbeau's ski lift line
- Corbeau's slope line
- Corbeau vonne's line.
- Corbet's Couloir
- Corbin Pass
- Cordon Line
- Cordon's line.
- Corfire
- Corkscrew -> Pingu -> Pangor Figure-8
- Corn Du, Pen y Fan and Cribin Circular
- Corne back side junction
- Corne Bleue lake's line
- Corne Bleue's forest line
- Cornebois back side line
- Cornebois chairlfit's line