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District of Columbia trails · Potomac Heritage Trail

Potomac Heritage Trail

A 9.5-mile section of the Potomac Heritage National Scenic Trail in District of Columbia, with 255 ft of climbing. The full trail runs about 710 miles.

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Length
9.5 mi
Elevation gain
255 ft
Difficulty
Hard
Max grade
30%
Steepest mile
+210 ft
Tread at ≥10% grade
1.0 mi
Shape
out-and-back
Surface
Ground
Bikes
no

Elevation profile

3 – 254 ft123456789

Most of the climbing sits in the middle third — 90% of the ascent, between mile 3.2 and mile 6.4. It gives back about 569 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

3-D terrain view of Potomac Heritage Trail

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5

Heads up

Stream ford: expect at least one unbridged crossing.

Getting there

Key Bridge access. About 8 min drive (4 mi) from Washington. 38.90103, -77.07034 · directions

Daylight at the trailhead

On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:49 a.m., the sun rises at 7:16 a.m. and sets at 6:31 p.m., and the last usable light fades about 6:58 p.m. (EDT) — 11 h 15 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 19.0-mile round trip takes roughly 7 h 18 min, so leaving the trailhead at sunrise puts you back around 2:34 p.m. — 3 h 57 min before sunset.

Across the border

Nearby trails