Old Settlers' Association Park and Rhodham Bonnifield House, also known as Old Settlers' Park and Bonnifield Cabin, is a nationally recognized historic district located in Fairfield, Iowa, United States.

[1] The park was established in 1907 as a preserve for the grasses, flowers and animals native to this area.

It was also meant to memorialize the pioneers to Jefferson County and the sentiments of "freedom and equality, hospitality, sympathy and love of fair play" that motivated them.

[2] The focal point of the park is the Rhodham Bonnifield House, a log cabin built in 1838 in Round Prairie Township.

This article about a property in Jefferson County, Iowa on the National Register of Historic Places is a stub.