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1,407 ft
Distance
-251 ft
Descent
00:03:48
Avg time
-251 ft
Altitude change
735 ft
Altitude min
986 ft
Altitude max
986 ft
Altitude start
735 ft
Altitude end
-17.8%
Grade
-48%
Grade max
-5.3%
Grade min
1,407 ft
Distance down
00:03:48
Avg time
D2S Details
-
Activities
- Mountain Bike
- E-Bike
- Hike
- Trail Running
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Riding AreaDel Valle Regional Park
Livermore, California -
Difficulty Rating
-
Local Popularity85 in Mountain Biking [+]
- 90 in E-Biking
- 5 in Trail Running
- 5 in Hiking
-
Global Ranking
-
Trail TypeSingletrack
-
Bike TypeDH, AM, XC
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DirectionDownhill OnlyPopular Direction Shown
-
Dogs AllowedYes
-
eBike AllowedYes up to Class 1
No community description for D2S trail has been added yet!
AI Generated Description
D2S is a 1,407 ft popular blue difficulty singletrack trail located near Livermore California. This mountain bike primary trail can be used downhill only. On average it takes 3 minutes to complete this trail.
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 14 rides
- 15 miles avg distance
All
- 173 rides
- Last: Sep 25, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
D2S Trail Reports
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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users activity logs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Used
Trailforks scans activity logs to determine the last time a trail was ridden.
- < 2 days
- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
Contribute Details
Colors indicate trail is missing specified detail.
- Description
- Photos
- Description & Photos
- Videos
Trail Popularity ?
Trailforks scans activity logs to determine which trails are ridden the most in the last 9 months.
Trails are compared with nearby trails in the same city region with a possible 25 colour shades.
Think of this as a heatmap, more activities = more kinetic energy = warmer colors.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
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US Cell Coverage
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Radar Time
Activity Recordings
Trailforks uses anonymized public activity data.
?
Activity Recordings
Trailforks uses anonymized public activity data.
?
Winter Trails
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A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
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Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.
Slope Aspect
Direction the slope faces
Trails Deemphasized
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Only show trails with no bike usage.
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Directions to d2s trailhead
(37.595970, -121.712270)
Photos
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Videos
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Routes with this trail
14 miles • 3,077 ft • 12 • Loop •
Hit all the worthwhile downhill black trails in one loop.
12 miles • 2,655 ft • 10 • Loop •
Hit the best trails Dell Valle has to offer.
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Nearby Trails
- Snake Access 394 ft
- D4w 486 ft
- Flubber 486 ft
- Pineapple Express 512 ft
- Turn N' Burn 564 ft
Del Valle Regional Park
- By sanfret
TRAILFORKS BTCEB NWTA & contributors - #543521 - 698 views
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