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1.6 miles
Distance
91 ft
Climb
-258 ft
Descent
00:17:18
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
00:17:18
Avg time
Gray's Mill Details
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Activities
- Mountain Bike
- Hike
- Trail Running
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Riding AreaPatapsco Valley State Park
Ellicott City, Maryland -
Difficulty Rating
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Local Popularity65 in Mountain Biking [+]
- 80 in Trail Running
- 80 in Hiking
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Global Ranking
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Hiking SAC ScaleT1 Hiking
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Trail TypeSingletrack
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Bike TypeAM, XC
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DirectionBoth Directions
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Dogs AllowedYes
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 17 minutes to complete this trail.
Local Trail Association
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trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 1 rides
- 14 miles average
6 Months
- 26 rides
- 15 miles avg distance
All
- 188 rides
- Last: Jun 4, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Gray's Mill Trail Reports
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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
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The colour categories are based on what percentage of riders are riding a trail in its intended direction.
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- > 6 months
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- Both Directions
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- Uphill Only
- One Direction
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Directions to gray-s-mill trailhead
(39.258030, -76.769830)
Photos
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Routes with this trail
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Nearby Trails
- Grist Mill Path 1 mile
- Maple Connector 1 mile
- Mad Ridge To Sawmill Connector 2 miles
- Mad Ridge Shortcut 2 miles
- Oak Forest Connector 2 miles
Patapsco Valley State Park
- By amckeen1 & contributors
- #431636 - 1,685 views
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Frequently Asked Questions About Gray's Mill
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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.
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How hard is Gray's Mill?
Gray's Mill is rated as Blue difficulty. The average grade is 2%.
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What is the elevation gain for Gray's Mill?
Gray's Mill has 28 m of elevation gain. The trail has 79 m of elevation descent. The elevation ranges from 32 m to 84 m.
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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.
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