Maryland trails · Blue
Blue
A 2.5-mile out-and-back in Maryland, with 173 ft of climbing. Reaches Lake Herrington and other lake destinations. Managed by the state.
Elevation profile
The climbing leans toward the first third: 47% of the ascent falls between mile 0.0 and mile 0.8. 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
- Lake Herrington (lake)
- Herrington Manor Recreation Area Reservoir (lake)
Getting there
Blue access — parking nearby, restroom. 39.45693, -79.45208 · directions
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:17 a.m., the sun rises at 6:44 a.m. and sets at 7:50 p.m., and the last usable light fades about 8:18 p.m. (EDT) — 13 h 06 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 5.1-mile round trip takes roughly 2 h 03 min, so leaving the trailhead at sunrise puts you back around 8:47 a.m. — 11 h 03 min before sunset.
Loop options
- Little Egypt + Social Trail + Blue — 1.3 mi loop, 164 ft gain
- Green/blue/union School Road + Green/blue + Blue — 3.2 mi loop, 338 ft gain
- Blue + Little Egypt + Social Trail — 4.9 mi loop, 610 ft gain
Nearby trails
- Negro Mountain — 18.0 mi
- Mt. Aetna Loop Trail — 26.3 mi