About trails in San Juan County, Washington

San Juan County has 126 named trails on the map, covering 135 miles in total, an average of 1.1 miles per trail. That is the 19th largest mapped trail network among 39 counties in Washington. 121 of them are tagged for hiking and 12 for mountain biking.

The longest single trail is bicycle, at 29.2 miles. 3 trails run 5 miles or longer. Mapped points of interest in the county include 8 trailheads, 70 campsites, 9 waterfalls, and 42 boat launches. The nearest towns to these trails are Friday Harbor, Roche Harbor, and Anacortes.

Explore by activity

135Total miles

70Campsites

42Boat launches

9Waterfalls

8Trailheads

bicycleMTB29.2 mi American Camp TrailHike5.8 mi Briggs Lake RoadHikeMTB5.2 mi Mountain Lake Loop TrailHike3.5 mi Cold Spring TrailHikeMTB3.1 mi Bluff TrailHike2.8 mi North Boundary TrailHikeMTB2.6 mi North TrailHikeMTB2.6 mi Cascade Lake Loop TrailHike2.4 mi Cady Mtn TrailHikeMTB2.3 mi Little Summit TrailHike2.2 mi Hilltop Vista2.0 mi Power Line TrailHike2.0 mi Cascade Creek TrailHike1.9 mi Center Loop TrailHikeMTB1.8 mi Mount Finlayson TrailHike1.7 mi Shoreline PathHike1.7 mi Jakle's Lagoon TrailHike1.6 mi Ridgeline TrailHike1.5 mi Ewing Cove TrailHike1.3 mi CHadwick HillHike1.3 mi Forest Glen LoopHike1.3 mi Western PathHike1.2 mi Iceberg Point ACEC Secondary TrailHike1.1 mi Turtlehead TrailHike1.1 mi Inner Loop RoadHikeMTB1.1 mi Mitchell Hill South TrailHike1.1 mi Raven Ridge TrailHikeMTB1.1 mi Bell Point TrailHike1.1 mi Picnic TrailHike1.1 mi Outer Limits TrailHike1.0 mi Greywacke TrailHike1.0 mi Zylstra Lake Trail1.0 mi Dragonfly Loop TrailHike0.9 mi Young Hill TrailHike0.9 mi Southern TrailHike0.9 mi Twin Lakes TrailHike0.9 mi Perimeter TrailHike0.9 mi Zylstra Lake Trail (open seasonally)HikeMTB0.9 mi South Beach TrailHike0.9 mi Highlands TrailHike0.8 mi Public BeachHike0.8 mi Town to American Camp TrailHike0.8 mi Coville Circle0.8 mi Subduction LoopHike0.8 mi EV Henry TrailHike0.8 mi English Camp Connector TrailHike0.8 mi Spencer Spit State Park RoadHike0.7 mi Woodland TrailHike0.7 mi Back RoadHike0.7 mi Mitchell Hill Center TrailHike0.7 mi Lost Oak TrailHike0.7 mi Young Hill BacksideHike0.7 mi Shark Reef ParkHike0.7 mi Turtleback South TrailHike0.7 mi King Sisters TrailHike0.7 mi Rose TrailHike0.6 mi Ihiya Loop TrailHike0.6 mi Lawson Bluff TrailHike0.6 mi Airport TrailHike0.6 mi Morning Ridge TrailHike0.6 mi Iceberg Point ACEC Primitive TrailHike0.6 mi Newt Pond LoopHike0.6 mi Westcott Bay TrailHike0.6 mi Coho Preserve TrailHike0.6 mi Traverse TrailHike0.6 mi Jakle's Upper SegmentHike0.6 mi Lawsonite TrailHike0.6 mi Cady Viewpoint TrailHike0.6 mi Camp / Beach TrailHike0.6 mi Nuthatch TrailHike0.6 mi Mitchell Hill North TrailHike0.5 mi Fisherman Bay Preserve: The Spit trailHike0.5 mi Wetlands loopHike0.5 mi Wiggins Head TrailHike0.5 mi Briggs Lake Connector TrailHike0.5 mi Quarry TrailHike0.5 mi Zylstra Lake Loop TrailHike0.4 mi Beach TrailHike0.4 mi Fisherman Bay Spit trailHike0.4 mi Pintail TrailHike0.4 mi Third Lagoon TrailHike0.4 mi Cady Mountain TrailHikeMTB0.4 mi Red Tail TrailHike0.4 mi Tim's TrailHike0.4 mi Penny LaneHike0.4 mi Grandma's Cove TrailHike0.4 mi Iceberg Point ACEC Main TrailHike0.4 mi Inner Loop TrailHike0.4 mi Sound View TrailHike0.4 mi Mud Bay TrailHike0.4 mi Finlayson SpurHike0.3 mi Pipe Gate TrailHikeMTB0.3 mi Jakle's BluffHike0.3 mi Channel Preserve TrailHike0.3 mi Young Hill SouthHike0.3 mi Marsh TrailHike0.3 mi The Inner PathHike0.3 mi Eagle Cove Connector TrailHike0.3 mi Cedar Grove TrailHike0.3 mi Airport PathHike0.3 mi Quarry Loop TrailHike0.3 mi Glenwood Inn RoadHike0.3 mi Champs ElyséeHike0.3 mi Newt Pond TrailHike0.3 mi Officer's QuartersHike0.2 mi Minnie Mae TrailHike0.2 mi Bell Point SpurHike0.2 mi Channel TrailHike0.2 mi Old Town Lagoon TrailHike0.2 mi Sunrise Rock TrailHike0.2 mi Lighthouse View0.2 mi Mt Grant Summit TrailHike0.2 mi Access Trail to Iceberg Point ACECHike0.2 mi Cohen TrailHike0.2 mi Hummel Lake trailHike0.2 mi Tierra DriveHike0.2 mi Cowlitz Bay - Waldron Center RoadHike0.1 mi Polywog LoopHike0.1 mi Flicker TrailHike0.1 mi Eagle Lane (disused)Hike0.1 mi Hunter Bay RoadHike0.1 mi Tranquility TrailHike0.1 mi Cady Mtn Trail spurHike0.1 mi Weeks Wetland TrailHike0.1 mi Eagle Cove PathHike0.1 mi

Trails by town in San Juan County

More Washington counties

436 trails · 1,126 mi

Skagit County

284 trails · 607 mi

Skamania County

325 trails · 1,215 mi

Snohomish County

408 trails · 1,575 mi

King County

1,600 trails · 3,201 mi

Chelan County

629 trails · 2,740 mi

Whatcom County

534 trails · 1,637 mi

← 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 September 2, 2026.