D
- Deschutes River Trail
- Deschutes River Trail
- Deschutes River Trail Lollipop
- Deschutes River Trail Point-to-Point
- Deschutes River Trail Point-to-Point
- Deseret Peak
- Desert Canyons Double Loop
- Desert Classic Trail
- Desert RATS: Stage 1
- Desert RATS: Stage 2
- Desert RATS: Stage 3
- Desert RATS: Stage 4
- Desert RATS: Stage 5
- Desolation Lake
- Desolation Lake (from Big Cottonwood)
- Desperado Loop
- Desperado Loop
- Detroit Rock City
- Detweiler Run Loop
- Deviated Septum
- Devils Bedstead West
- Devil's Bridge
- Devils Castle
- Devil's Castle Couloir
- Devils Club
- Devil's Courthouse
- Devils Creek Track (with Shotover River detour)
- Devil's Den Loop
- Devil's Garden
- Devil's Garden
- Devil's Gut
- Devil's Hall
- Devil's Head Lookout
- Devils Kitchen
- Devils Kitchen Trail
- Devils Postpile to Upper and Lower Rainbow Falls
- Devils Postpile to Upper and Lower Rainbow Falls
- Devils Punchbowl to Temple Basin
- Devil's Slide Trail
- Devils Thumb
- Devils Thumb
- Devinci's Code
- Devisadero Peak Loop
- Devisadero Peak Loop
- Devisadero Peak Loop
- DH 2
- DH 3
- DH 4
- DH 5
- DH 6
- DH 7
- DH Donne Loop
- Diable Couloir
- Diagonal Chute
- Diagonal cut
- Diagonal Gully
- Diamond Creek Falls
- Diamond Creek Falls Loop
- Diamond Head Summit
- Diamond Notch Falls via Spruceton Road
- Diamond Peak Loop
- Diamond Peak Loop
- Diangulator
- Diavolo
- Dickey Ridge Loop
- Dick's Cliffs
- Dick's Face
- Die Gosaukammumrundung im Winter
- Diesel
- Diesel Upper
- Diesel Wolf
- Dieter's
- Dig Deep Loop
- Dilar's line
- Dilar's north face line
- Dillon Pinnacles
- Dinant MTB
- Ding and Dang Slot Canyon Loop
- Ding and Dang Slot Canyon Loop
- Dino Flow Loop