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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

Public watershed tours are done for the season, but the Education Center is open year-round. Check out the Education Center for center hours, current weather conditions, and upcoming tours, programs, and field trips.

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

  • The very popular annual Wondering About Wildlife event will be Friday January 2.
  • The Cedar Falls waterfall area will be closed for construction projects during the 2014 and 2015 tour seasons. All other tour stops remain open. The waterfall area will open again for the 2016 Tour season.
  • 2014-2015 School Programs are now full.
  • Read our watershed newsletter and learn about the watershed’s rich history. Our newsletter features stories that you can't find elsewhere on the website.
  • Learn more about the watershed's remarkable biodiversity.
  • How it is being protected and restored by the City under its 50-year Habitat Conservation Plan.
  • How Seattle Public Utilities manages our clean drinking water supply and treatment at Cedar River.
  • Learn about the history of the watershed.

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.