The Angel phase describes a 300–400-year cultural manifestation of the Mississippian culture of the central portions of the United States of America, as defined in the discipline of archaeology. Angel phase archaeological sites date from c. 1050 - 1350 CE and are located on the northern and southern sides of the Ohio River in southern Indiana, such as National Historic Landmark Angel Mounds near present-day Evansville; northwestern Kentucky, with Wickliffe Mounds and the Tolu Site; and Kincaid Mounds State Historic Site in Illinois. Additional sites range from the mouth of Anderson River in Perry County, Indiana, west to the mouth of the Wabash in Posey County, Indiana.