Old Boundary Trail is a one-way hike of 7.6 mi / 12.3 km near Mazama. Expect about 2,077 ft / 633 m of elevation gain, with a high point of 5,984 ft / 1,824 m. Difficulty: Moderate. At an average pace, plan on about 4 hr 23 min one way.
Elevation profile
Along the route: low 3,970 ft / 1,210 m · high 5,965 ft / 1,818 m