The Fort Owen State Park is a historic site and state park in Stevensville, Montana. It is best known for being the site of the first permanent white settlement in the state.

The Fort Owen State Park traces its history back to 1841. Father Pierre DeSmet arrived in the area and established the St. Mary?s Mission among the Flathead people. By 1850, Major John Owen established the fort, primarily as a regional trade center.

Today, the Fort Owen State Park is listed on the National Register of Historic Places. Its 1 acre area features the east barracks that are filled with period furnishing and artifacts that tell of the area?s history and heritage. Visitors can also enjoy various activities on site and the 4th of July celebration known as the Fort Owen Day.