North Dakota trails · Lone Tree Trail
A 3.8-mile out-and-back in North Dakota, with 422 ft of climbing. Reaches Tomamichael Spring. Managed by the National Park Service.
Most of the climbing sits in the final third — 67% of the ascent, between mile 2.5 and mile 3.8.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:39 a.m., the sun rises at 7:10 a.m. and sets at 6:09 p.m., and the last usable light fades about 6:39 p.m. (MDT) — 10 h 58 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 7.6-mile round trip takes roughly 3 h 14 min, so leaving the trailhead at sunrise puts you back around 10:24 a.m. — 7 h 45 min before sunset.