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Wyoming trails · Lost-Glacier Lakes

Lost-Glacier Lakes

A 3.5-mile out-and-back in Wyoming, with 359 ft of climbing. Reaches Sandy Lake and other lake destinations. Managed by USFS 020605.

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Length
3.5 mi
Elevation gain
359 ft
Difficulty
Moderate
Max grade
17%
Steepest mile
+231 ft
Tread at ≥10% grade
0.6 mi
Shape
out-and-back
Surface
NAT - NATIVE MATERIAL
Bikes
yes
Horses
yes
Managed by
USFS 020605

Elevation profile

10,586 – 10,945 ft123

The climbing leans toward the first third: 48% of the ascent falls between mile 0.0 and mile 1.2. It gives back about 272 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

3-D terrain view of Lost-Glacier Lakes

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5

Reaches

Heads up

Stream ford: expect at least one unbridged crossing.

Getting there

SHEEP LAKE TRAIL — parking nearby. About 1 h 17 min drive (39 mi, 2 of them unpaved) from Laramie. 41.37249, -106.24548 · directions

Daylight at the trailhead

On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:47 a.m., the sun rises at 7:15 a.m. and sets at 6:25 p.m., and the last usable light fades about 6:53 p.m. (MDT) — 11 h 10 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 7.0-mile round trip takes roughly 2 h 56 min, so leaving the trailhead at sunrise puts you back around 10:11 a.m. — 8 h 14 min before sunset.

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