more stats
2,169 ft
Distance
72 ft
Climb
-89 ft
Descent
00:03:52
Avg time
-17 ft
Altitude change
3,435 ft
Altitude min
3,481 ft
Altitude max
3,481 ft
Altitude start
3,465 ft
Altitude end
-0.8%
Grade
-15.4%
Grade max
23.1%
Grade min
830 ft
Distance climb
1,155 ft
Distance down
184 ft
Distance flat
00:03:52
Avg time

Lower Dinosaur Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Skyline Wilderness
    Rapid City, South Dakota
  • Difficulty Rating
    Black Diamond Rate
  • Local Popularity
    80 in Mountain Biking [+]
    • 80 in Trail Running
    • 70 in Hiking
  • Global Ranking
    #140677 in Mountain Biking [+]
    • #11308 in Trail Running
    • #31343 in Hiking
  • Hiking SAC Scale
    T1 Hiking
  • Trail Type
    Singletrack
  • Dogs Allowed
    Yes
  • eBike Allowed
    No

No community description for Lower Dinosaur trail has been added yet!

AI Generated Description

Lower Dinosaur is a 2,169 ft popular black diamond difficulty singletrack trail located near Rapid City South Dakota. This mountain bike primary trail. On average it takes 3 minutes to complete this trail.

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 2 rides
  • 10 miles average
6 Months
  • 62 rides
  • 9 miles avg distance
All
  • 170 rides
  • Last: Sep 18, 2026
c1c2c3c4
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Status:
on Aug 17, 2026
Variable
Avg: 3.99 (2 votes)
Your vote: 0

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      Directions to lower-dinosaur trailhead (44.079160, -103.245870)
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      4.0 ★★★★★
      2 Ratings
      5 ★ 50%
      4 ★
      3 ★ 50%
      2 ★
      1 ★

      3 Reviews & Comments

      Roadwarriorxo Roadwarriorxo
      Black because it’s narrow (hand bench cut) into very steep side slope

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      Nearby Trails

      Skyline Wilderness

      • By pchis4ever & contributors
      • #386139 - 823 views

      Frequently Asked Questions

      ▼ Where is Lower Dinosaur located?
      Lower Dinosaur is located in Skyline Wilderness, Rapid City, South Dakota, United States. It is part of the Skyline Wilderness trail network. The trailhead is located at coordinates 44.07916, -103.24587.
      ▼ How hard is Lower Dinosaur?
      Lower Dinosaur is rated as Black Diamond difficulty. The average grade is 0.8%.
      ▼ What is the elevation gain for Lower Dinosaur?
      Lower Dinosaur has 72 ft of elevation gain. The trail has 89 ft of elevation descent. The elevation ranges from 3,435 ft to 3,481 ft.
      ▼ How long is Lower Dinosaur?
      Lower Dinosaur is 2,169 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on Lower Dinosaur?
      Yes, dogs are allowed on Lower Dinosaur. Please keep dogs on a leash where required and clean up after them.
      ▼ When is the best time of year to ride Lower Dinosaur?
      Based on activity log data, the most popular months to ride Lower Dinosaur are:
      • August (27 activities)
      • May (19 activities)
      • June (19 activities)
      Check the reports page for current trail conditions.
      ▼ How do I access Lower Dinosaur? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Lower Dinosaur are: View all parking locations in the area.
      ▼ How long does it take to ride Lower Dinosaur?
      Based on recorded activities, it takes an average of 4 minutes to ride Lower Dinosaur. The trail is 2,169 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is Lower Dinosaur?
      Lower Dinosaur is a very popular trail. There have been 1,173 recorded activities on this trail. The trail has received 1,218 check-ins. View recent activity on this trail.

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