Great Smoky Mountains National Park

Trillium Gap–Alum Cave Trail Loop, 7 sights

15.2 mi · ▲ 4,080 ft · 7 hr 6 min

Trillium Gap–Alum Cave Trail Loop, 7 sights is a 15.2-mile loop in Great Smoky Mountains National Park near Fort Harry, TN. The route reaches Trillium Gap. It climbs 4,080 ft, with sections as steep as 18% grade, and is mostly dirt. It scores 87/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi2,615 – 6,549 ft · steepest grade: 18%15.5 mi

Getting there

Trailhead: Trillium Gap Trail 35.67817, -83.47158
Nearest town Fort Harry, TN

Directions

AMBLEWAYwww.ambleway.com

Trillium Gap–Alum Cave Trail Loop, 7 sights

15.2 mi · ▲ 4,080 ft · 7 hr 6 min

Elevation 2,616–6,550 ft

Loop · Great Smoky Mountains National Park

Trailhead: Trillium Gap Trail · 35.67817, -83.47158

Weather Sep 4: Overcast, high 85°F / low 71° · precip 4% · wind 7 mph · sunrise 7:09 AM · sunset 7:59 PM

Parking lot at the trailhead

  1. Start on Trillium Gap Trail, heading E.
  2. 3.9 miPass Trillium Gap.
  3. 3.5 miContinue straight onto Boulevard Trail, heading S.
  4. 350 ftTurn right onto Cliif Top Trail, heading SE.
  5. 0.4 miSharp left onto Bull Head Trail, heading NE.
  6. 350 ftContinue straight onto Alum Cave Trail, heading E.
  7. 100 ftBear right onto Bull Head Trail, heading NW.
  8. 0.5 miSharp right onto Rainbow Falls Trail, heading W.
  9. 5.8 miSharp right onto Trillium Gap Trail, heading NW.
  10. 1.1 miThe loop closes back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail surface

100% dirt

Weather

OvercastTemperature 85°F71°
Precip4%Wind7 mphUV7Humidity69%
Rained 0.1″ yesterday
Hourly temperature
85°70°
Sunrise 7:09 AM12 AM3 AM12 PM3 PM6 PMSunset 7:59 PM
Sat 88°73° 27%
Sun 83°66° 31%
Mon 75°63° 49%
Tue 80°60°
Wed 81°62°
Thu 83°65° 29%

Sunset

The best sunset spot on this hike is 7.0 mi in (~266 min). Leave by 3:13 PM for the 7:59 PM sunset. Back at your car by 11:04 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Parking lot at the trailhead

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