Swamp Creek is a tributary of the Sammamish River in Snohomish and King counties, in the U.S. state of Washington. It is also known as dxʷɬ(ə)q̓ab in Lushootseed, meaning “a wide place”.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/creeks/swamp-creek/en.wikipedia.org.md
Swamp Creek starts at Lake Stickney near Everett. It ends in Kenmore at the Sammamish River, which then flows into Lake Washington.