D
- Door Trail
- Dorada line
- Double Arch
- Double Cabin Uphill
- Double D -> Fluid -> Resurrection
- Double D Lap
- Double Dog Dare
- Double Dog Leg
- Double Pumper -> Iron Curtain Loop
- Double Rubble
- Doubtful Lake Gullies on Sahale Peak
- Dou des Côtes
- Dou Des Lanches Bowl
- Dou des Lanches Face
- Dou des Lanches lift line
- Douglas Falls
- Douglas Spring and Converse Trail Loop
- Douglas Spring Trail to Bridal Wreath Falls
- Dove il tempo si è fermato by Cristian Mustazzu
- Down and Out
- Downhill Strecke
- Downieville Downhill
- Downtown
- Drachenberg – Grunewaldturm Loop
- Dragnag to Dzonglha via the Cho La Pass
- Dragon Bowl
- Dragon's Back
- Dragon's Back
- Dragon Scales Loop
- Dragons Teeth
- Dragontail Peak
- Dragontail Peak
- Dream Lake and Emerald Lake
- DreiSeen Rinne
- Dresden Face
- Drift Creek Falls
- Dripping Springs
- Dripping Springs
- Dripping Springs Loop
- Dronningkrona - glacier route
- Drop-In Clinic
- Drop Off
- Drops and Lollipops
- D Route Ropeline
- Dr Roberts Waterhole
- Druid Arch
- Druid's Temple from Swinton Bivouac
- Dry Creek Trail
- Dry Falls
- Dry Fork
- Dry Martini
- Dubhs Ridge MTB hike & Climb
- Duchess
- Duck Lake Trail
- Duck Pass and Duck Lake
- Duck Pass and Duck Lake
- Duffman
- Duffman Lower
- Duffman Upper
- Duke
- Duke Couloir
- Dumpling Mountain Trail
- Duncan Ridge Loop
- Duncan Ridge Loop
- Duncan Ridge Loop
- Dunderberg Mountain -> Bald Mountain -> The Timp Loop
- Dune Life Nature Trail
- Dune Ridge Trail
- Dunes Overlook Trail
- Duodenum Lollipop
- Duo Etoilé
- Dupont State Forest IMBA Epic Route
- Dupont State Forest Slickrock
- Durch den Koppenwinkel
- Durchgangalm-Runde
- Durchgangalm-Runde
- Durchs Innere Salzkammergut
- Durmålstinden (1572 metres)
- Duthie Hill
- Dwarves