Tolt Pipeline

A gravel and dirt trail with some steep grades and some road detours that runs 14 miles between Bothell and Duvall alongside Seattle's Tolt Water Pipeline. It is popular with hikers, mountain bikers and horse riders and offers views of Seattle and the Cascades. Its east and west ends are near the Snoqualmie Valley Trail and the Sammamish River and Burke Gilman Trails.

  • Difficulty: Easy
  • Length: 6.0 mi
  • Elevation Gain: 500 ft
  • Land Manager: Land Manager Varies
  • Parking Permit Required: see Land Manager
  • Recommended Party Size: 12
  • Maximum Party Size: 12
  • Maximum Route/Place Capacity: 12

Upcoming Activities

Bikepack - Tolt Pipeline

Bikepacking Trip
By popular demand a week-end day training ride on the famous Thrilla gravel route! Leader's
Difficulty: Strenuous 3, Technical 1
Sun, Jun 4, 2023
Prerequisites, Leader's Permission Required
0 participants 0 leaders
Registration closed Jun 2
Seattle Branch
Emma Agosta
Trip Reports

There are no resources for this route/place. Log in and send us updates, images, or resources.