134 ft
-12 ft
Avg time


  • Riding Area
    Griffin Bike Park
    Terre Haute, Indiana
  • Difficulty Rating
  • Voted Difficulty
    Double Black Diamond (1 vote)
  • Trail Type
  • Bike Type
    DH, AM, Fat
  • Trail Usage
    Biking Only
  • Direction
    Downhill Only
    Popular direction shown
  • Climb Difficulty
    Double Black Diamond
  • Physical Rating
  • TTFs on Trail
  • Global Ranking
    #4396 in Mountain Biking
  • Year Opened
  • Land Manager
    Vigo County Department of Parks and Recreation

This short trail is double-black-diamond drop--a steep descent on a small ridge with rocky outcroppings. From the landing riders make a right to return to Alpha Trail.

Access Info

This expert drop is accessed from Alpha Trail by crossing under the Proving Grounds wooden gantry and bypassing the first (advanced) drop.

Local Trail Association
More Stats for Proving Grounds Expert Drop bike trail
  • Altitude change
    -13 ft
  • Altitude min
    633 ft
  • Altitude max
    647 ft
  • Altitude start
    646 ft
  • Altitude end
    633 ft
  • Grade
  • Grade max
  • Grade min
  • Distance down
    85 ft
  • Distance flat
    29 ft
  • Avg time
  • view trail stats
on Dec 6, 2018
Avg: 5 (2 votes)

view (233)
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Directions to proving-grounds-expert-drop trailhead (39.338690, -87.364200)
update trails status or condition

Proving Grounds... Trail Reports


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