North Fork / Grassy Top Trail is a round-trip hike of 12.6 mi / 20.2 km near Metaline Falls, WA. Expect about 3,737 ft / 1,139 m of elevation gain, with a high point of 6,270 ft / 1,911 m. Difficulty: Hard. At an average pace, plan on about 7 hr 11 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 3,255 ft / 992 m · high 6,211 ft / 1,893 m