more stats
1.6 miles
Distance
91 ft
Climb
-258 ft
Descent
00:15:12
Avg time
-170 ft
Altitude change
105 ft
Altitude min
275 ft
Altitude max
275 ft
Altitude start
105 ft
Altitude end
-2%
Grade
-28.2%
Grade max
22.3%
Grade min
1,860 ft
Distance climb
1 mile
Distance down
1,220 ft
Distance flat
00:15:12
Avg time

Gray's Mill Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Patapsco Valley State Park
    Ellicott City, Maryland
  • Difficulty Rating
  • Local Popularity
    60 in Mountain Biking [+]
    • 85 in Trail Running
    • 85 in Hiking
  • Global Ranking
    #28492 in Mountain Biking [+]
    • #103799 in Trail Running
    • #95015 in Hiking
  • State Ranking
    #129 in Mountain Biking · Maryland [+]
    • #594 in Trail Running
    • #612 in Hiking
  • Hiking SAC Scale
    T1 Hiking
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC
  • Direction
    Both Directions
  • Dogs Allowed
    Yes

No community description for Gray's Mill trail has been added yet!

AI Generated Description

Gray's Mill is a 2 mile moderately popular blue difficulty singletrack trail located near Ellicott City Maryland. This multi-use trail can be used both directions. On average it takes 15 minutes to complete this trail.

Tags

Local Trail Association

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 6 rides
  • 27 miles average
6 Months
  • 50 rides
  • 16 miles avg distance
All
  • 225 rides
  • Last: Oct 27, 2026
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Gray's Mill Trail Reports

Status:
on Aug 29, 2026
Ideal
Avg: 4.13 (1 votes)
Your vote: 0

view (1,689)
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      Directions to gray-s-mill trailhead (39.258030, -76.769830)

      Photos

      5 more »
      report
      mtb
      47 |
      Dec 29, 2025 @ 8:50pm
      Dec 29, 2025
      report
      mtb
      55 |
      Apr 2, 2023 @ 12:41pm
      Apr 2, 2023
      report
      mtb
      65 |
      Apr 2, 2023 @ 12:41pm
      Apr 2, 2023
      report
      mtb
      62 |
      Apr 2, 2023 @ 12:41pm
      Apr 2, 2023

      Videos

      no videos have been added for Gray's Mill yet, add a video.

      Routes with this trail

      63 miles • 6,545 ft • 25 •
      Ptap Traverse Ptap Traverse Ptap Traverse Ptap Traverse
      5.0 ★★★★★
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      2 Reviews & Comments

      Wodell
      Great single track option (vs riding River Rd). A bit punchy but all ridable.

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      • By amckeen1 & contributors
      • #431636 - 1,965 views

      Frequently Asked Questions

      ▼ Where is Gray's Mill located?
      Gray's Mill is located in Patapsco Valley State Park, Ellicott City, Maryland, United States. It is part of the Patapsco Valley State Park trail network. The trailhead is located at coordinates 39.25803, -76.76983.
      ▼ How hard is Gray's Mill?
      Gray's Mill is rated as Blue difficulty. The average grade is 2%.
      ▼ What is the elevation gain for Gray's Mill?
      Gray's Mill has 91 ft of elevation gain. The trail has 258 ft of elevation descent. The elevation ranges from 105 ft to 275 ft.
      ▼ Is Gray's Mill a point to point trail?
      Gray's Mill is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
      ▼ How long is Gray's Mill?
      Gray's Mill is 1.6 miles long. The trail type is singletrack.
      ▼ Are dogs allowed on Gray's Mill?
      Yes, dogs are allowed on Gray's Mill. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access Gray's Mill? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Gray's Mill are: View all parking locations in the area.
      ▼ How long does it take to ride Gray's Mill?
      Based on recorded activities, it takes an average of 15 minutes to ride Gray's Mill. The trail is 1.6 miles long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is Gray's Mill?
      Gray's Mill is a moderately popular trail. There have been 1,677 recorded activities on this trail. The trail has received 1,689 check-ins. View recent activity on this trail.

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