Idaho trails · Waterfall
A 16.1-mile out-and-back in Idaho, with 5,627 ft of climbing. Reaches Terrace Lakes and other lake destinations. Managed by the U.S. Forest Service.
The climbing leans toward the first third: 46% of the ascent falls between mile 0.0 and mile 5.4.
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:28 a.m., the sun rises at 6:58 a.m. and sets at 8:17 p.m., and the last usable light fades about 8:48 p.m. (MDT) — 13 h 19 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 32.2-mile round trip works out to roughly 17 h 33 min of walking — more than a single day of daylight here, so plan it as an overnight or hike it in sections.