Triangulation Trail is a round-trip hike of 12.2 mi / 19.6 km in Santiam / Mount Jefferson. Expect about 2,402 ft / 732 m of elevation gain, with a high point of 5,276 ft / 1,608 m. Difficulty: Hard. At an average pace, plan on about 6 hr 18 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 4,646 ft / 1,416 m · high 5,253 ft / 1,601 m