Sleeping Deer Lo Trail is a round-trip hike of 2.4 mi / 3.8 km near Challis, ID. Expect about 692 ft / 211 m of elevation gain, with a high point of 9,859 ft / 3,005 m. Difficulty: Moderate. At an average pace, plan on about 1 hr 35 min. High-elevation trail, usually snow-free from mid-July into October. Before then, expect snow and possible avalanche danger.
Elevation profile
Along the route: low 9,236 ft / 2,815 m · high 9,849 ft / 3,002 m