It consists of two areas: the Boughton Hill portion, the area of longhouses and burials, has been designated as a National Historic Landmark. It has been identified as the location of the Jesuit Mission of St. Jacques (or St. James), which was mentioned in the "Jesuit Relations". The Fort Hill portion was the location of a fortified granary and consists of ; it is listed on the National Register of Historic Places. The complex is operated by the state of New York.