Thornberry Creek is located on the northwest side of Green Bay off US 41, at Highway 29 to the north a few miles, and has 27 holes.

The 18-hole Oneida layout mixes parkland and links-style holes with 70+ conventional sand bunkers, long waste areas, and eleven holes with water hazards. It was designed by Rick Jacobson and can play to 6,934 yards from the tips, 73.4/134 course/slope ratings with three shorter tees. There's also the Iroquois nine-hole course, which is 2,952 yards at the tips, 34.2/116 course/slope ratings, or as short as 2,305 yards at the front tes. It mostly accommodates families and beginners.