Washington trails › Seattle and Puget Sound
Hiking trail · Seattle and Puget Sound · Nearest town: Bothell, 1.6 mi / 2.5 km away
Photo: User:vmenkov · CC BY-SA 3.0 · Source
Tolt Pipeline Trail is a one-way hike of 10.1 mi / 16.2 km near Bothell. Expect about 364 ft / 111 m of elevation gain, with a high point of 410 ft / 125 m. Difficulty: Moderate. At an average pace, plan on about 4 hr 22 min one way.
Along the route: low 39 ft / 12 m · high 400 ft / 122 m