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King County Parks

"Welcome" over a image of a green bud in a forest with the King County Parks logo

King County Parks has evolved from 150 acres in 1938 to more than 28,000 acres today. Our mission is to steward, enhance and acquire parks to inspire healthy communities.

Today, our system consists of more than 205 parks, 175 miles of regional trails, and 215 miles of backcountry trails. From regional treasures such as Marymoor Park and Cougar Mountain Regional Wildland Park to amenities such as athletic fields, regional trails, and pools, there is something for everyone in King County Parks.

We hope you enjoy your adventure in King County's award-winning parks - Your Big Backyard!

Kids play on a turf soccer field next to Mel Olson Stadium

Parks

A hiker walks along a trail bordered by towering cedar and fir trees on Cougar Mountain

Trails

A herd of elk in a blanket of fog

Natural and working lands

Yurts at Tolt MacDonald campground

Rentals and reservations

Volunteers with staff

Get involved

Construction equipment begin work on Foothills regional trail

Capital projects

Explore King County Parks from King County Parks.

Related Topics

Backyard Funfinder

Plan a trip or check the status of our parks and trails

About Us

Find out more about King County Parks.

Volunteer with us

Learn about the land and give back to your community

Parks Grants

Learn more about grants offered by King County Parks
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