Utah trails · Highline Trail
Highline Trail
A 40.8-mile point-to-point in Utah, with 2,834 ft of climbing. Reaches Pigeon Milk Spring and other lake/pass/spring destinations. Managed by the U.S. Forest Service.
Elevation profile
The climbing is spread fairly evenly along the route. It gives back about 6,469 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Pigeon Milk Spring (spring)
- Porcupine Pass (pass)
- Rocky Sea Pass (pass)
- Dead Horse Pass (pass)
- Red Knob Pass (pass)
- Anderson Pass (pass)
- Tungsten Pass (pass)
- Ledge Lake (lake)
- Scudder Lake (lake)
- Dead Horse Lake (lake)
Heads up
Getting there
Butterfly Lake junction. 40.72151, -110.86576 · directions
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:21 a.m., the sun rises at 6:49 a.m. and sets at 7:57 p.m., and the last usable light fades about 8:25 p.m. (MDT) — 13 h 08 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 40.8-mile route works out to roughly 16 h 32 min of walking — more than a single day of daylight here, so plan it as an overnight or hike it in sections.
Loop options
- Highline Trail + Highline — 4.9 mi loop, 253 ft gain
- Highline Trail + Highline — 13.0 mi loop, 1,434 ft gain
- Mirror Lake + Highline Trail + East Fork Duchesne River — 14.4 mi loop, 2,301 ft gain
Nearby trails
- Highline — 0.2 mi
- Lofty Lake Loop — 1.5 mi
- East Fork Pinto Lake — 4.6 mi
- Notch Mountain — 5.6 mi