Peterson Spring Trail is a round-trip hike of 4.9 mi / 7.9 km near Preston, ID. Expect about 1,214 ft / 370 m of elevation gain, with a high point of 6,742 ft / 2,055 m. Difficulty: Moderate. At an average pace, plan on about 2 hr 51 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 5,702 ft / 1,738 m · high 6,732 ft / 2,052 m