National Directory of Trails / Washington / Bothell Trails

Tolt Pipeline

Tolt Pipeline is a 16 mile out and back trail located near Bothell, Washington that offers scenic views and is good for all skill levels. The trail is primarily used for hiking, mountain biking, trail running & walking and is accessible year-round. Dogs are also able to use this trail.

  • 16 miles
  • Bothell, WA

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