North Dakota trails · Long X
Long X
A 5.8-mile out-and-back in North Dakota, with 627 ft of climbing. Managed by the U.S. Forest Service.
Elevation profile
Most of the climbing sits in the middle third — 76% of the ascent, between mile 1.9 and mile 3.9.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Heads up
Getting there
Long X access. 47.54540, -103.32322 · directions
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:38 a.m., the sun rises at 6:10 a.m. and sets at 7:36 p.m., and the last usable light fades about 8:07 p.m. (MDT) — 13 h 26 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 11.6-mile round trip takes roughly 4 h 55 min, so leaving the trailhead at sunrise puts you back around 11:04 a.m. — 8 h 31 min before sunset.
Loop options
- Long X + Maah Daah Hey — 11.1 mi loop, 1,497 ft gain
Nearby trails
- Achenbach Trail — 3.3 mi
- Maah Daah Hey — 3.5 mi
- Summit Trail — 3.8 mi
- Cottonwood — 4.0 mi