Wyoming trails · Simpson Lake
Simpson Lake
A 12.2-mile out-and-back in Wyoming, with 2,893 ft of climbing. Reaches Blanket Lakes and other lake destinations. Managed by USFS 021405.
Elevation profile
Most of the climbing sits in the first third — 59% of the ascent, between mile 0.0 and mile 4.1.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Blanket Lakes (lake)
- Soapstone Lake (lake)
- Moon Lake (lake)
- Simpson Lake (lake)
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:11 a.m., the sun rises at 6:41 a.m. and sets at 7:55 p.m., and the last usable light fades about 8:25 p.m. (MDT) — 13 h 15 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 24.5-mile round trip takes roughly 11 h 58 min, so leaving the trailhead at sunrise puts you back around 6:39 p.m. — 1 h 17 min before sunset.
Nearby trails
- Glacier Trail — 5.4 mi
- Sandra Lake — 6.7 mi
- Wiggins Fork Trail — 22.2 mi
- Seneca Lake — 28.9 mi