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
Gray's Mill Trail access. About 26 min drive (13 mi) from Baltimore. 39.26035, -76.78339 · directions
Daylight at the trailhead
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:48 a.m., the sun rises at 7:15 a.m. and sets at 6:30 p.m., and the last usable light fades about 6:57 p.m. (EDT) — 11 h 14 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 9:55 a.m. — 8 h 34 min before sunset.
Loop options
- Gray's Mill Trail + HillTop Connector — 2.1 mi loop, 159 ft gain
- Farm Connector Trail + Social Trail + Gray's Mill Trail — 3.1 mi loop, 427 ft gain
Nearby trails
- Grist Mill — 1.2 mi
- Ridge — 3.6 mi
- Thru — 6.8 mi
- Switchback — 8.8 mi