East Tiger Mountain trail system expands near I-90 corridor | Washington State Department of Natural Resources

On Saturday, April 12, Washington State Department of Natural Resources (DNR) will open seasonal trails and a 3 mile trail connector expanding the east Tiger Mountain trail system to 12 miles.

DNR partnered with Evergreen Mountain Bike Alliance (EMBA) on this project to construct two new trails: Joy Ride Trail and a re-routed Silent Swamp Trail.

View a map of the trails here:


New trail development process

Professional trail builders from EMBA were contracted to build the trail link, while DNR Staff and Puget SoundCorps Crews assisted with construction. Volunteers also contributed over 3,000 labor hours towards the project.


“We’ve had effective trail construction collaboration with a mix of Evergreen Mountain Bike Alliance, volunteers, and through DNR Staff utilizing Puget SoundCorps trail crews” said Sam Jarrett, DNR Snoqualmie Corridor Recreation Manager. “We are thrilled to continue building a sustainable mountain bike trail system with diverse experiences and loop opportunities in the backyard of the Seattle metropolitan area. We’ve recently secured two additional grants which will allow us to continue expansion towards a future trail system goal of roughly 25 miles on east Tiger Mountain.”

The construction of the new mountain bike trails was funded by two department-awarded grants through the Washington Wildlife & Recreation Program and the Nonhighway & Off-Road Vehicle Activities Program. These grants provide increased recreation opportunities and improved user experience through the development of a sustainable network of recreation trails.


Recreation on DNR-managed Tiger Mountain

Tiger Mountain is a unique, multi-use destination located close to the Puget Sound Metropolitan area. It offers exciting mountain bike trails, diverse hiking experiences, paragliding launches, and horseback riding opportunities.


Upcoming volunteer opportunities

DNR is currently in the design phase for two additional trails in east Tiger Mountain. Volunteering on DNR-managed lands is a great way to meet others who share a passion for outdoor recreation and want to learn new skills while working outside. Stay tuned for volunteer opportunities this summer. Learn more on DNR’s website at

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