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Cedar River Watershed

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The City of Seattle’s Cedar River Municipal Watershed is carefully managed to support and supply clean drinking water to 1.4 million people in the greater Seattle area. The watershed covers 90,638 acres and is owned by the City of Seattle. Come explore and learn about this remarkable rain-soaked landscape by visiting the Cedar River Watershed Education Center or attending one of our many tours. For a primer, feast your eyes and view our Watershed slideshow.

Watershed Tour Information

Winter's snows are melting fast in the City's mountain watersheds. Check out the Education Center for center hours, current weather conditions, and upcoming tours, programs, and field trips.

Learn More

The Cedar River Watershed hosts a rich diversity of plants, animals, and habitats.

Cedar Access Permit System (CAPS)

Watershed contractors, consultants, and vendors access permit system log-in. This system is not used for public tours or field trips. For information about tours, see Education Center.