Johnson-Sauk Trail State Recreation Area is an Illinois state park on 1,365 acres (552 ha) in Henry County, Illinois, United States. The park also has a 58-acre (23 ha) lake (Johnson Lake) with various types of fish. The lake has boat rentals and a maximum depth of 21 feet (6.4 m). The park has many trails, and a campground. Ryan's round barn has a tour every year in the park. Near the round barn, is a scenic 3-acre (1.2 ha) pond which is a great place to hike to.

• "Johnson-Sauk Trail State Recreation Area". Illinois Department of Natural Resources. Archived from the original on December 17, 2001. Retrieved July 17, 2018.