Wester is a 14-km long river, a southern tributary of Möhne of North Rhine-Westphalia, Germany. It flows between the towns of Warstein and Belecke.
Wikipedia https://en.wikipedia.org/wiki/Wester_(river)
Address 3 Unterm Stillenberg, 59581, Germany
Coordinates 51°27'23.471" N 8°21'21.446" E