Mill Rock Access is a 10. 1-acre Missouri Department of Conservation area providing fishing access to the Bourbeuse River, located 3 miles east of Highway H north of Sullivan. The area is open to the public from 4 a. m. to 10 p. m.

daily, with 24-hour access permitted for fishing and boating activities. Boats may be launched on the Bourbeuse River, making this a convenient access point for paddlers and anglers.