Tolt pipeline trail, Multi-use trail in Washington, United States.
The Tolt Pipeline Trail extends for 12 miles through varied terrain, connecting Duvall to the Sammamish River in Bothell with elevation changes of 1,060 feet.
The trail follows the water supply infrastructure built to transport water from Tolt Reservoir in the Cascades to Lake Forest Park Reservoir, serving Seattle's population.
Mountain bikers, equestrians, dog walkers, and hikers share this 100-foot-wide corridor, creating a community of outdoor enthusiasts in Seattle's northern suburbs.
Access points with parking facilities are available at Northshore Athletic Fields in Woodinville and Kathryn Taylor Equestrian Park in Redmond along the trail route.
The trail features steep grades reaching 22 percent, including the section known as Cardiac Hill in Woodinville, making it particularly demanding for cyclists.
Location: Washington
GPS coordinates: 47.73640,-122.14900
Latest update: March 7, 2025 20:45
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