more stats
1,378 ft
Distance
-80 ft
Descent
677 ft
High Point
-80 ft
Altitude change
595 ft
Altitude min
677 ft
Altitude start
597 ft
Altitude end
-5.8%
Grade
-24.6%
Grade max
0.7%
Grade min
59 ft
Distance climb
1,112 ft
Distance down
207 ft
Distance flat

IDLH Details

  • Activities
    • Mountain Bike
  • Riding Area
    Windy Ridge Park
    Mount Airy, Maryland
  • Difficulty Rating
    Black Diamond Rate
  • Local Popularity
    80 in Mountain Biking
  • Global Ranking
    #14500 in Mountain Biking
  • Trail Type
    Machine Groomed
  • Direction
    Downhill Only
    Popular Direction Shown
  • Dogs Allowed
    Yes
  • TTFs on Trail
    Berm, Drop, Jump

Closed for winter from December 15 to April 1.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 17 rides
  • 19 miles avg distance
All
  • 101 rides
  • Last: Sep 5, 2026
c1c2c3c4
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Status:
on Apr 9, 2026
Dry
Avg: 4.1 (5 votes)
Your vote: 0

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      Directions to idlh trailhead (39.391760, -77.171230)
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      4.4 ★★★★★
      5 Ratings
      5 ★ 60%
      4 ★ 20%
      3 ★ 20%
      2 ★
      1 ★

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      Nearby Trails

      Windy Ridge Park

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      Frequently Asked Questions

      ▼ Where is IDLH located?
      IDLH is located in Windy Ridge Park, Mount Airy, Maryland, United States. It is part of the Windy Ridge Park trail network. The trailhead is located at coordinates 39.39176, -77.17123.
      ▼ How hard is IDLH?
      IDLH is rated as Black Diamond difficulty. The average grade is 5.8%.
      ▼ What is the elevation gain for IDLH?
      The trail has 80 ft of elevation descent. The elevation ranges from 595 ft to 677 ft.
      ▼ Is IDLH a point to point trail?
      Yes, IDLH is a point to point trail. The direction is Downhill Only. The trail type is machine groomed.
      ▼ How long is IDLH?
      IDLH is 1,378 ft long. The trail type is machine groomed.
      ▼ Are dogs allowed on IDLH?
      Yes, dogs are allowed on IDLH. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access IDLH? Where is the closest parking trailhead?
      The closest parking and trailhead locations to IDLH are: View all parking locations in the area.
      ▼ How busy is IDLH?
      IDLH is a very popular trail. There have been 420 recorded activities on this trail. The trail has received 1,114 check-ins. View recent activity on this trail.

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