Rails-To-Trails Conservancy - Washington
http://www.traillink.com/trailsearch.aspx?state=WA
Washington
Apple Capital Recreation Loop Trail
Bay to Baker Trail (Bellingham)
Bay to Baker Trail (Maple Falls to Glacier)
Cascade Trail 22.3 miles
Cedar River Trail (WA) 18 miles
Centennial Trail (WA) 30.2 miles
Chehalis Western Trail 20.5 miles
Chelatchie Prairie Railroad Trail 32.1 miles
City of Snoqualmie Centennial Trail
Columbia Plateau Trail State Park 130 miles
East Aberdeen Waterfront Walkway
Elliot Bay Trail (Terminal 91 Bike Path)
Ferry County Rail Trail 24.8 miles
Green River Trail 19.6 miles
Issaquah-Preston Trail (formerly Issaquah Creek Trail)
John Wayne Pioneer Trail (Milwaukee Road Corridor) 253 miles
Klickitat Trail 31 miles
Middle Fork Snoqualmie River Trail 17 miles
Olympic Discovery Trail East - Sound and Bay Section
Olympic Discovery Trail East Central - River and Prairie Section 26.4 miles
Olympic Discovery Trail West - Forest and Ocean Section
Olympic Discovery Trail West Central - Lake and Foothills Section 31.7 miles
PROJECT: Chelatchie Prairie Railroad Trail Extension
PROJECT: Foothills Trail (King County- formerly Enumclaw Plateau Trail)
PROJECT: Foothills Trail Extension (Pierce County)
PROJECT: North Creek Trail (Connection Project)
PROJECT: Redmond Central Connector
PROJECT: Spokane Valley-Millwood Trail
Sacagawea Heritage Trail 23 miles
Snoqualmie Valley Trail 31.5 miles
Spokane River Centennial Trail 37 miles
At its eastern border, you can link to the Liberty Lake State Line Trail or the North Idaho Centennial Trail, heading east across the river.
Tolt Pipeline Trail 17.4 miles
Whatcom County and Bellingham Interurban Trail
Willapa Hills Trail 56 miles