The Devils River (also known archaically as the Manitoo River) is a small 15.8-mile-long (25.4 km) river in the state of Wisconsin in the United States. The Devils River flows primarily through Brown and Manitowoc counties and joins with the Neshota River to form the West Twin River. It is part of the 176-square-mile (460 km2) West Twin River watershed. The Ojibwe name for the river is Ma-na-to-kik-e-we-se-be, or "Stooping Spirit River." The root word Ma-na-to (or manitou) was often mistranslated as "devil" by early white settlers, which is why the river carries the name it does today.