Best Mountain Biking Trails in Washington | Trailmonger

About mountain biking in Washington

Washington has 2,993 named trails tagged for mountain biking on the map, covering 8,208 miles, an average of 2.7 miles each. The longest is bicycle in King County, at 578 miles. 294 run 5 miles or longer. 37 of the state's counties have at least one; King County has the most, with 694 trails.

Top 100 mountain biking trails, longest first

Trails 1–25

bicycleMTBKing County578 mi Olympic Discovery TrailHikeMTBClallam County262 mi Ferry County Rail TrailHikeMTBFerry County172 mi Washington Timber TrailMTBYakima County146 mi 10 (Washington)MTBOkanogan County134 mi Tarbell TrailHikeMTBClark County124 mi bicycleMTBWhitman County119 mi bicycleMTBSnohomish County115 mi bicycleMTBWhatcom County104 mi Burke-Gilman TrailMTBKing County62.3 mi Klickitat TrailMTBKlickitat County57.5 mi Manastash Ridge TrailHikeMTBKittitas County54.5 mi Lake Washington LoopMTBKing County52.0 mi Cascade TrailMTBSkagit County46.5 mi Columbia Plateau Trail State ParkHikeMTBFranklin County46.2 mi 97 (Washington)MTBSkagit County43.1 mi Columbia Plateau TrailMTBAdams County42.1 mi Chehalis Western TrailMTBThurston County41.9 mi Spokane River Centennial TrailMTBSpokane County40.0 mi Yakima GreenwayMTBYakima County39.7 mi Green River TrailMTBKing County38.8 mi Canyon Ridge TrailHikeMTBWhatcom County38.6 mi Interstate 90 Bike RouteMTBSpokane County37.4 mi Mosquito Fleet Trail (proposed?)MTBKitsap County35.5 mi Tolt Pipeline TrailHikeMTBKing County34.8 mi

Trails 26–50

Twisp River TrailHikeMTBOkanogan County34.6 mi BR5 Coast Millennium RouteMTBSkagit County34.5 mi Cedar River TrailMTBKing County34.4 mi Snohomish County Centennial TrailMTBSnohomish County34.0 mi (PNT)MTBSkagit County33.5 mi United States Bicycle Route 20 (Washington)MTBGarfield County33.5 mi 87 (Washington)MTBSkagit County32.8 mi East Lake Sammamish TrailMTBKing County31.9 mi 95 (Washington)MTBSkagit County31.6 mi Willapa Hills TrailHikeMTBPacific County31.1 mi Yelm-Tenino TrailMTBThurston County30.9 mi Coast Millennium TrailMTBWhatcom County30.6 mi Centennial TrailHikeMTBSnohomish County30.2 mi Kettle Crest Trail North #13NHikeMTBFerry County29.5 mi bicycleMTBSan Juan County29.2 mi Foothills TrailHikeMTBPierce County27.9 mi Lake to Lake TrailHikeMTBKing County27.7 mi Quartz Mountain TrailHikeMTBKittitas County27.6 mi Whitehorse Regional TrailMTBSnohomish County27.0 mi bicycleMTBOkanogan County26.5 mi Middle Fork TrailHikeMTBYakima County25.9 mi Trail 25HikeMTBSpokane County25.8 mi Mountains to SoundHikeMTBKing County24.4 mi Thompson RidgeHikeMTBOkanogan County23.8 mi Olympic Discovery Trail Adventure RouteMTBClallam County23.4 mi

Trails 51–75

Fish Lake TrailMTBSpokane County23.2 mi EastrailHikeMTBKing County23.1 mi bicycleMTBAdams County22.9 mi Boundary ORV TrailHikeMTBSkamania County22.8 mi Interurban TrailHikeMTBSnohomish County21.7 mi Four Mile Ridge TrailHikeMTBChelan County20.4 mi Nason Ridge Trail #1583HikeMTBChelan County20.3 mi Buck MountainHikeMTBOkanogan County19.4 mi Children of the Sun TrailHikeMTBSpokane County19.1 mi Palouse to Cascades State Park TrailMTBGrant County19.1 mi Olympic Adventure TrailHikeMTBClallam County18.7 mi Lake Youngs TrailMTBKing County18.6 mi Little Pend Oreille TrailMTBStevens County18.4 mi Bells Mountain TrailMTBClark County17.9 mi Cooper River TrailHikeMTBKittitas County17.8 mi Teanaway Ridge TrailHikeMTBKittitas County17.1 mi Yelm-Rainier-Tenino TrailMTBThurston County16.4 mi Lake to Sound TrailHikeMTBKing County16.4 mi Valley Trail #270HikeMTBSkamania County16.2 mi Washington State Route 291 Bike RouteMTBSpokane County16.1 mi Terminator Trail #159HikeMTBSkamania County15.8 mi Lower Mad River TrailHikeMTBChelan County15.8 mi Burnt Bridge Creek TrailHikeMTBClark County15.6 mi King County Interurban TrailMTBKing County15.3 mi Apple Capital Recreation Loop TrailMTBDouglas County15.0 mi

Trails 76–100

Discovery TrailMTBPacific County15.0 mi Cheshiahud Lake Union LoopMTBKing County14.7 mi Overland TrailHikeMTBMason County14.7 mi Bike Route Kitsap 38 (Proposed)MTBKitsap County14.6 mi U.S. Route 2 Bike RouteMTBSpokane County14.5 mi CCC TrailHikeMTBKing County14.3 mi Pyramid Mountain TrailHikeMTBChelan County14.0 mi Coal Mines TrailMTBKittitas County14.0 mi Kettle Crest Trail South #13SHikeMTBFerry County14.0 mi Jacknife Ridge RoadHikeMTBKittitas County13.9 mi Lookout Mountain RoadHikeMTBSkamania County13.5 mi Bike Route Kitsap 44 (Proposed)MTBKitsap County13.3 mi Scott Pierson TrailMTBPierce County13.0 mi Bike Route Kitsap 27 (Proposed)MTBKitsap County13.0 mi EagleMTBKing County12.9 mi Lower South Fork Skokomish River Trail #873HikeMTBMason County12.9 mi U.S. Route 395 Bike RouteMTBSpokane County12.8 mi Interurban TrailMTBWhatcom County12.8 mi Columbia Plateau Trail State ParkHikeMTBAdams County12.8 mi Little Pend Oreille Trail #142HikeMTBStevens County12.7 mi Dry Hill Bike ParkMTBClallam County12.7 mi Appleway TrailMTBSpokane County12.6 mi Lake to Lake TrailHikeMTBClark County12.6 mi Blue Lake Ridge Trail #271HikeMTBSkamania County12.5 mi Soaring Eagle TrailsMTBKing County12.5 mi

Mountain Biking Trails by county

Counties 31–37

Franklin County

Garfield County

← All of Washington

Trail geometry from OpenStreetMap contributors, licensed ODbL. Elevation from the USGS 3D Elevation Program. Compiled and published by Trailmonger · trail data last rebuilt October 25, 2026.