Expert hiking trails in Washington go beyond a typical day hike. Long mileage, big elevation, exposure, technical footing, and serious weather windows define the experience in the Pacific Northwest temperate rainforest and Cascade volcanic belt.

Trail Compass currently indexes 1 expert-rated routes in Washington, totalling roughly 93 trail miles. The average expert trail in this state is about 93 miles long, which is a useful starting point when you are sketching a weekend.

Across the Pacific Northwest temperate rainforest and Cascade volcanic belt, the most reliable hiking season is mid-July through early October for high country; lower forest trails are hikeable nearly year-round in mild rain gear. Shoulder-season visits can deliver beautiful empty trails but tilt the difficulty upward — short days, possible snow, and unstaffed entry stations all add friction.

Expect wildlife typical of the Pacific Northwest temperate rainforest and Cascade volcanic belt: Roosevelt elk, black-tailed deer, Steller's jays, pileated woodpeckers, and salmon spawning in the autumn streams. The risk of a serious encounter is low, but the cost of getting it wrong is high — give animals space, store food correctly, and never approach a young animal even if no parent is visible.

How to use this page: every trail listed below links through to a full guide with distance, elevation gain, route type, best-season notes, wildlife expectations, parking guidance, and nearby attractions. Combine this filter with the Trail Compass park pages to plan a trip around a specific Washington destination.

All expert trails in Washington

TrailParkLengthElevationRoute
Wonderland Trail (full circuit) Mount Rainier National Park 93 mi 22,000 ft Loop

Other difficulty tiers in Washington

Easy trails in Washington Moderate trails in Washington Hard trails in Washington