The Mill Creek Canyon Earthworks is a public park, storm water detention dam and Modernist "masterpiece" of environmental art located in Kent, Washington, United States.

[1] The earthworks was created by Bauhaus artist Herbert Bayer in 1982 and designated a landmark by King County Landmarks Commission in 2008.

[2] The earthworks site covers 2.5 acres (1.0 ha).

[3][4] In 2008, the earthworks was upgraded to handle a 10,000-year flood by raising the dam approximately 2 feet (0.61 m).

[5] This King County, Washington state location article is a stub.