Tempest Trail is a round-trip hike of 2.4 mi / 3.9 km near Boise, ID. Expect about 738 ft / 225 m of elevation gain, with a high point of 7,484 ft / 2,281 m. Difficulty: Moderate. At an average pace, plan on about 1 hr 38 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 6,778 ft / 2,066 m · high 7,474 ft / 2,278 m