D
- 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
- Dwayne Johnson
- Dwight's
- Dyke Trail
- Dynamite trees
- Dzonghla to Lobuche