Blyth Park Blyth Park (wta.gov) Blyth Park lies along the Sammamish River in the City of Bothell. Hiking trails extend from this more developed area out through the woods and along the river. Some trails are more developed while others are impromptu social trails. 
Downstream Sammamish River on a rainy eveningSammamish River (Wikipedia) The Sammamish River (also known as Sammamish Slough) flows through north King County, Washington for about 14 miles (23 km), draining Lake Sammamish into Lake Washington. Along its course, the Sammamish River flows through Redmond, Woodinville, Bothell, and Kenmore. 
Sammamish River Trail sign in Bothell
Swamp Creek starts at Lake Stickney near Everett. It ends in Kenmore at the Sammamish River, which then flows into Lake Washington. The freeway crosses the Sammamish River and turns east, passing to the south of the Redmond Town Center mall and Bear Creek and to the north of Marymoor Park.
