Hiking Trails & Parks in Mercer Island, Washington
489 trails & 0 parks in Mercer Island, located in King County, Washington.
About Outdoor Recreation in Mercer Island, Washington
Mercer Island offers 489 mapped hiking trails and 0 federally managed parks within the city or nearby. Located in King County, Washington, it’s a starting point for hikers, campers, and casual nature seekers.
Explore more nearby: King County overview, all King County trails, or statewide Washington list.
Hiking Trails in Mercer Island
From the OutsideAtlas Blog
Photo: Sergei AkulichThe 10 Longest Hiking Trails in Washington, Ranked
Washington's longest mapped hiking trails, ranked by distance with notes on what makes each route worth the commitment.
Photo: Holly MandarichWashington's 10 Most Punishing Trails by Elevation Gain
Steep is hard. These are the ten Washington trails with the most total elevation gain — quad-burners earned by hard climbing.
Photo: Maddi BazzoccoThe Best Beginner-Friendly Hikes in Washington
Ten gentle, well-marked Washington trails perfect for first-time hikers, families, or recovery days.
Photo: Tobias MrzykThe 10 Most Challenging Hikes in Washington
Washington's ten hardest hikes — expert difficulty, big mileage, or serious exposure. Reserved for experienced hikers.
Photo: Diego LozanoThe Best National Parks & Recreation Areas in Washington
Federal parks and recreation areas in Washington ranked by what they actually offer hikers and campers, not just popularity.
Photo: Tobias MrzykBest Waterfall Hikes in Washington: 10 Trails to See Falls Up Close
Washington's best hikes to named waterfalls — from short family-friendly viewpoints to all-day cascade chasing.