ⓘ Some details here were drafted automatically and haven't been verified yet — double-check fees and hours with the managing agency before you go.
Weldon Springs State Park is an Illinois state park; the primary 550-acre (220 ha) area is located near Clinton, Illinois, while a secondary area is located near Monticello, Illinois. The former centers on Salt Creek and the impoundment of a tributary, Weldon Springs, to form Weldon Spring Lake, a reservoir. It is supervised by the Illinois Department of Natural Resources.