Tennessee trails · Grassy Gap

Grassy Gap

A 14.7-mile loop in Tennessee, with 308 ft of climbing. Reaches Low Gap and other pass destinations. Managed by the U.S. Forest Service.

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Length

14.7 mi

Elevation gain

308 ft

Difficulty

Expert

Max grade

40%

Steepest mile

+276 ft

Tread at ≥10% grade

5.0 mi

Shape

loop

Managed by

U.S. Forest Service

Elevation profile

The climbing is spread fairly evenly along the route. It gives back about 2,641 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

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

Reaches

Low Gap (pass)
Grassy Gap (pass)

Heads up

Stream ford: expect at least one unbridged crossing.

Terrain graded T3 (SAC scale) — exposed or hands-on hiking reported on part of this route.

Daylight at the trailhead

On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 7:17 a.m., the sun rises at 7:43 a.m. and sets at 7:04 p.m., and the last usable light fades about 7:30 p.m. (EDT) — 11 h 22 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 14.7-mile route takes roughly 5 h 36 min, so leaving the trailhead at sunrise puts you back around 1:18 p.m. — 5 h 46 min before sunset.