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King County Parks - Your Big Backyard - offers more than 26,000 acres of parks and natural lands, including rural gems such as Tolt-MacDonald Park, the Three Forks Natural Area, Black Diamond open space and the Green River Natural Area, plus Cougar Mountain Regional Wildland Park and Marymoor Park in the Sammamish Valley.

Trails

King County also maintains 175 miles of regional trails, including the Snoqualmie Valley Trail, the Cedar River Trail and more. These regional trails are used by runners, walkers, cyclists and equestrians. A world-class aquatic center is also just a short drive for most of King County's rural residents.

King County parks