Thornton Creek is of urban creeks and tributaries from southeast
Shoreline through northeast
Seattle to
Lake Washington. Its watershed, the largest in Seattle, exhibits relatively dense biodiversity for an urban setting; it is home to frogs, newts, ducks, other birds, and an occasional beaver, in addition to more than 200,000 people. From west of Jackson Park Golf Course in
Shoreline, from Sunny Walter-Pillings Pond in
Licton Springs–North College Park, and north
Northgate Thornton Creek flows through
Maple Leaf and
Lake City, including the
Meadowbrook and
Matthews Beach neighborhoods, and empties into the lake at
Matthews Beach Park.