more stats
410 ft
Distance
-49 ft
Descent
853 ft
High Point
-49 ft
Altitude change
804 ft
Altitude min
853 ft
Altitude start
804 ft
Altitude end
-11.8%
Grade
-22.2%
Grade max
-7.9%
Grade min
410 ft
Distance down

D2S Alt Details

  • Activities
    • Mountain Bike
    • E-Bike
  • Riding Area
    Del Valle Regional Park
    Livermore, California
  • Difficulty Rating
  • Local Popularity
    100 in Mountain Biking [+]
    • 100 in E-Biking
  • Global Ranking
    #143258 in Mountain Biking [+]
    • #11652 in E-Biking
  • Trail Type
    Singletrack
  • Bike Type
    DH, AM, XC
  • Direction
    Downhill Only
    Popular Direction Shown
  • eBike Allowed
    Yes up to Class 1

No community description for D2S Alt trail has been added yet!

AI Generated Description

D2S Alt is a 410 ft popular blue difficulty singletrack trail located near Livermore California. This mountain bike primary trail can be used downhill only.

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 31 rides
  • 13 miles avg distance
All
  • 146 rides
  • Last: Sep 23, 2026
c1c2c3c4
January
February
March
April
May
June
July
August
September
October
November
December
Status:
on Apr 5, 2026
Dry
Avg: 4.13 (1 votes)
Your vote: 0

view (2,334)
close
      Directions to d2s-alt trailhead (37.597680, -121.712870)

      Photos

      No photos have been added for D2S Alt yet, add a photo.

      Videos

      no videos have been added for D2S Alt yet, add a video.

      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.
      5.0 ★★★★★
      1 Ratings
      5 ★ 100%
      4 ★
      3 ★
      2 ★
      1 ★

      Reviews / Comments

      No reviews yet, be the first to write a review or ask a question.
      Use trail reports to comment on trail conditions.


      We hope you've been enjoying Trailforks!

      Create a FREE account to view all trail reviews and much more.

      • By JeffLegal & contributors
      • #770712 - 300 views

      Frequently Asked Questions

      ▼ Where is D2S Alt located?
      D2S Alt is located in Del Valle Regional Park, Livermore, California, United States. It is part of the Del Valle Regional Park trail network. The trailhead is located at coordinates 37.59768, -121.71287.
      ▼ How hard is D2S Alt?
      D2S Alt is rated as Blue difficulty. The average grade is 11.8%.
      ▼ What is the elevation gain for D2S Alt?
      The trail has 49 ft of elevation descent. The elevation ranges from 804 ft to 853 ft.
      ▼ Is D2S Alt a point to point trail?
      Yes, D2S Alt is a point to point trail. The direction is Downhill Only. The trail type is singletrack.
      ▼ How long is D2S Alt?
      D2S Alt is 410 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on D2S Alt?
      There is no information about dogs being allowed on D2S Alt. Check with local trail managers or the trail page for the latest access rules.
      ▼ How do I access D2S Alt? Where is the closest parking trailhead?
      The closest parking and trailhead locations to D2S Alt are: View all parking locations in the area.
      ▼ How busy is D2S Alt?
      D2S Alt is a very popular trail. There have been 1,149 recorded activities on this trail. The trail has received 2,334 check-ins. View recent activity on this trail.

      Hit the Trail

      Open in App

      Get this trail on your phone instantly.
      open trail in app

      Download Trail

      Save to wishlist, Garmin & download.
      save the trail

      Find Related Routes

      Find routes and users activities that include this trail.
      find routes for this trail

      You must enter a description before submitting.