more stats
1,184 ft
Distance
-127 ft
Descent
00:02:24
Avg time
-127 ft
Altitude change
1,172 ft
Altitude min
1,300 ft
Altitude max
1,300 ft
Altitude start
1,171 ft
Altitude end
-10.8%
Grade
-39.3%
Grade max
-0.9%
Grade min
1,184 ft
Distance down
00:02:24
Avg time

Tarantula Alt. Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Del Valle Regional Park
    Livermore, California
  • Difficulty Rating
    Blue Rate
  • Local Popularity
    70 in Mountain Biking [+]
    • 70 in Trail Running
    • 50 in Hiking
  • Global Ranking
    #180658 in Mountain Biking [+]
    • #82641 in Trail Running
    • #81803 in Hiking
  • Trail Type
    Singletrack
  • Direction
    Both Directions
  • Dogs Allowed
    Yes

No community description for Tarantula Alt. trail has been added yet!

AI Generated Description

Tarantula Alt. is a 1,184 ft popular blue difficulty singletrack trail located near Livermore California. This mountain bike primary trail can be used both directions. On average it takes 2 minutes to complete this trail.

This trail is unsanctioned.

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 1 rides
  • 5 miles average
6 Months
  • 16 rides
  • 10 miles avg distance
All
  • 133 rides
  • Last: Sep 21, 2026
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Tarantula Alt. Trail Reports

statusdatedescription
Sep 29, 2025 @ 11:10am (America/Los_Angeles)
Sep 29, 2025
 Loose in spots, some small slides.
Sep 21, 2025 @ 9:28am (America/Los_Angeles)
Sep 21, 2025
 Loose but manageable
Jan 30, 2024 @ 2:55pm
Jan 30, 2024
more »
Status:
on Sep 29, 2025
Ideal
Avg: 3.84 (1 votes)
Your vote: 0

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      Directions to tarantula-alt trailhead (37.597150, -121.694850)
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      3.0 ★★★★★
      1 Ratings
      5 ★
      4 ★
      3 ★ 100%
      2 ★
      1 ★

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      Nearby Trails

      Del Valle Regional Park

      • #618845 - 284 views

      Frequently Asked Questions

      ▼ Where is Tarantula Alt. located?
      Tarantula 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 37.59715, -121.69485.
      ▼ How hard is Tarantula Alt.?
      Tarantula Alt. is rated as Blue difficulty. The average grade is 10.8%.
      ▼ What is the elevation gain for Tarantula Alt.?
      The trail has 127 ft of elevation descent. The elevation ranges from 1,172 ft to 1,300 ft.
      ▼ Is Tarantula Alt. a point to point trail?
      Tarantula Alt. is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
      ▼ How long is Tarantula Alt.?
      Tarantula Alt. is 1,184 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on Tarantula Alt.?
      Yes, dogs are allowed on Tarantula Alt.. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access Tarantula Alt.? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Tarantula Alt. are: View all parking locations in the area.
      ▼ How long does it take to ride Tarantula Alt.?
      The estimated time to ride Tarantula Alt. is approximately 2 minutes. The trail is 1,184 ft long. Actual times will vary based on fitness level, conditions, and pace.
      ▼ How busy is Tarantula Alt.?
      Tarantula Alt. is a very popular trail. There have been 564 recorded activities on this trail. The trail has received 630 check-ins. View recent activity on this trail.

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