Swamp Creek starts from Lake Stickney and works its way to the Sammamish River (and in turn Lake Washington). Here are some of the wetlands near the source of the creek.
For my thoughts are not your thoughts, neither are your ways my ways, saith the Lord. For as the heavens are higher than the earth, so are my ways higher than your ways, and my thoughts than your thoughts.Isaiah 55:8-9 KJV