Tennessee trails · Collins Rim Trail
A 6.2-mile out-and-back in Tennessee, with 259 ft of climbing. Reaches Blue Branch Overlook and other viewpoint destinations. Managed by the state.
Most of the climbing sits in the first third — 58% of the ascent, between mile 0.0 and mile 2.0. It gives back about 561 ft along the way, so it rolls rather than climbing steadily.
South Rim Trail access. 35.44229, -85.59809 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:47 a.m., the sun rises at 6:13 a.m. and sets at 7:11 p.m., and the last usable light fades about 7:37 p.m. (CDT) — 12 h 57 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 12.3-mile round trip takes roughly 4 h 49 min, so leaving the trailhead at sunrise puts you back around 11:02 a.m. — 8 h 09 min before sunset.