Maryland trails · Gray's Mill Trail
Gray's Mill Trail
A 3.3-mile out-and-back in Maryland, with 238 ft of climbing. Reaches Gnome Village. Managed by Friends of Patapsco Valley State Park.
Elevation profile
The climbing leans toward the middle third: 47% of the ascent falls between mile 1.1 and mile 2.2. It gives back about 132 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Gnome Village (viewpoint)
Heads up
Getting there
Social Trail junction. 39.26211, -76.76602 · directions
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:06 a.m., the sun rises at 6:34 a.m. and sets at 7:39 p.m., and the last usable light fades about 8:07 p.m. (EDT) — 13 h 05 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 6.6-mile round trip takes roughly 2 h 40 min, so leaving the trailhead at sunrise puts you back around 9:14 a.m. — 10 h 25 min before sunset.
Loop options
- Gray's Mill Trail + HillTop Connector — 1.6 mi loop, 159 ft gain
Nearby trails
- Grist Mill — 0.9 mi
- Ole Ranger — 2.7 mi
- Thru — 3.9 mi
- Switchback — 9.4 mi