The Dillard Mill State Historic Site is a state park, recreation area, and historic site in Davisville, Missouri. It is noted for being one of the state’s best preserved examples of a water generated gristmill.

Established in 1977, the Dillard Mill State Historic Site was created as a means to preserve the Dillard Mill. The site easily demonstrates how water was once used to generate the power needed to grind wheat into flour. The mill itself was built in 1908.

The Dillard Mill State Historic Site features the Huzzah Creek aside from the historic Dillard Mill. Visitors of the park could enjoy picnicking, fishing, and hiking at the site. Interpretive programs as well as tours are also available and offered to the general public.