Colorado trails · Lily Lake Trail
A 11.1-mile out-and-back in Colorado, with 3,303 ft of climbing, topping out at 11,015 ft. Reaches Lily Lake. Managed by USFS Aspen-Sopris Ranger District.
The climbing leans toward the middle third: 50% of the ascent falls between mile 3.7 and mile 7.4. It gives back about 4,377 ft along the way, so it rolls rather than climbing steadily.
Lily Lake Trail access. 39.08568, -107.24197 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:09 a.m., the sun rises at 6:36 a.m. and sets at 7:41 p.m., and the last usable light fades about 8:08 p.m. (MDT) — 13 h 05 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 22.2-mile round trip takes roughly 11 h 32 min, so leaving the trailhead at sunrise puts you back around 6:08 p.m. — 1 h 33 min before sunset.