20 miles
895 ft
-1,497 ft
Avg time


  • Riding Area
    Big Bend National Park
    Terlingua, Texas
  • Difficulty Rating
  • Trail Type
  • Bike Type
    AM, XC
  • Trail Usage
  • Direction
    Downhill Primary
  • Climb Difficulty
    Black Diamond
  • Physical Rating
  • Season
    September to May
  • eBike Allowed
  • Global Ranking
    #10285 in Mountain Biking

This is an Indian trail that was converted to a wagon road used by early smugglers. The Park lists it as a four-wheel drive route, but it is rarely maintained. I've had to shoulder my bike in a couple of places. There are long sand pits on the River Road. The old Mariscal Mine is about halfway, and makes a great rest stop. There is no water nor cell service on most of this road, so be prepared.

Access Info

This is a "long cut" from the Glen Springs Road. The few times I've done this ride, I had to self-support. This road adds about 13 miles to the Glen Springs ride.


Back Country permit required. Check in at Panther Junction. Frequent washouts and sand pits. Trail rarely maintained.

Local Trail Association
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More Stats for Black Gap to River Road East Long-Cut bike trail
  • Altitude change
    -602 ft
  • Altitude min
    1,916 ft
  • Altitude max
    2,692 ft
  • Altitude start
    2,596 ft
  • Altitude end
    1,994 ft
  • Grade
  • Grade max
  • Grade min
  • Distance climb
    6 miles
  • Distance down
    11 miles
  • Distance flat
    4 miles
  • Avg time
  • view trail stats
Avg: 5 (1 votes)

view (3)
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Directions to black-gap-to-river-road-east-longcut trailhead (29.175121, -103.156576)
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Routes with this trail

River Road East to West - Full
51 miles

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