Davis Slough is a waterway on the

Puget Sound Puget Sound ( ) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish Sea. It is located along the northwestern coast of the U.S. state of Washington. It is a complex estuarine system of interconnected ma ...

in the state of

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

. The slough runs between Camano and Leque islands, connecting

Skagit Bay Skagit Bay is a bay and strait located in the U.S. state of Washington. It is part of the Whidbey Island Basin of Puget Sound. The Skagit River empties into Skagit Bay. To the south, Skagit Bay connects with the rest of Puget Sound via Saratoga ...

in the north to

Port Susan Port Susan is a bay and strait located in the U.S. state of Washington. Part of the Whidbey Island Basin of Puget Sound, Port Susan is bounded by Camano Island to the west and the mainland to the east. The Stillaguamish River empties into the nort ...

in the south. The border between Island County and

Snohomish County Snohomish County () is a county located in the U.S. state of Washington. With a population of 827,957 as of the 2020 census, it is the third-most populous county in Washington, after nearby King and Pierce counties, and the 75th-most populous ...

is set at the slough. State Route 532 crosses Davis Slough via the Davis Slough Bridge, which is the only access to Camano Island from the mainland. The slough is the site of the Davis Slough

Heronry A heronry, sometimes called a heron rookery, is a breeding ground for herons. Notable heronries Although their breeding territories are often on more protected small islands in lakes or retention ponds, herons breed in heronries (or also calle ...

, protected in 2003, one of the most important breeding colonies of great blue heron in the

Pacific Northwest The Pacific Northwest (sometimes Cascadia, or simply abbreviated as PNW) is a geographic region in western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Tho ...

References

{{SnohomishCountyWA-geo-stub Puget Sound