Montana trails · CDT Fs 1790
A 15.8-mile out-and-back in Montana, with 2,935 ft of climbing. Reaches Targhee Pass and other lake/pass/summit destinations.
The climbing leans toward the first third: 53% of the ascent falls between mile 0.0 and mile 5.3. It gives back about 2,411 ft along the way, so it rolls rather than climbing steadily.
LIONHEAD MTN CDNST — parking nearby. 44.67404, -111.27385 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:15 a.m., the sun rises at 6:46 a.m. and sets at 8:03 p.m., and the last usable light fades about 8:34 p.m. (MDT) — 13 h 18 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 31.5-mile round trip works out to roughly 14 h 37 min of walking — more than a single day of daylight here, so plan it as an overnight or hike it in sections.