Tennessee trails · Trillium Gap Trail
Trillium Gap Trail
A 26.8-mile loop in Tennessee, with 3,837 ft of climbing. Reaches Grotto Falls and other pass/waterfall destinations. Managed by the National Park Service.
Elevation profile
The climbing is spread fairly evenly along the route. It gives back about 4,781 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Grotto Falls (waterfall)
- Trillium Gap (pass)
Heads up
Getting there
Trillium Gap Trail junction. 35.68025, -83.46266 · directions
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:38 a.m., the sun rises at 7:04 a.m. and sets at 8:02 p.m., and the last usable light fades about 8:28 p.m. (EDT) — 12 h 58 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 26.8-mile route takes roughly 11 h 50 min, so leaving the trailhead at sunrise puts you back around 6:54 p.m. — 1 h 08 min before sunset.
Across the border
- Continues into NC as Boulevard Trail — view on the map
Nearby trails
- Rainbow Falls Trail — 1.4 mi
- Alum Cave Trail — 3.6 mi
- Brushy Mountain Trail — 3.7 mi
- Cove Mountain Trail — 4.3 mi