Fowl River is a 14.4-mile-long brackish river in Mobile County, Alabama. It originates near the Mobile suburb of Theodore and then splits into the East Fowl River and the West Fowl River. The East Fowl River discharges into Mobile Bay south of Belle Fontaine. The West Fowl River discharges into the Mississippi Sound east of Coden. It was named by the original Fr…Fowl River is a 14.4-mile-long brackish river in Mobile County, Alabama. It originates near the Mobile suburb of Theodore and then splits into the East Fowl River and the West Fowl River. The East Fowl River discharges into Mobile Bay south of Belle Fontaine. The West Fowl River discharges into the Mississippi Sound east of Coden. It was named by the original French colonists as the Riviere aux Poules, which can be translated into English as Fowl River.