Cedar Creek (from Potawatomi: mskwawak-zibə)[1] is the largest tributary of the St. Joseph River, draining 174,780 acres (707.3 km2) in the Eastern Corn Belt Plains of northeastern Indiana. It is 31.9 miles (51.3 km) long,[2] rising in northwestern DeKalb County and joining the St. Joseph just below the Cedarville Dam in Allen County.