Haltern am See is a town and a municipality in the district of Recklinghausen, in North Rhine-Westphalia, Germany. It is situated on the Lippe and the Wesel–Datteln Canal, approx. 15 kilometres north of Recklinghausen.
The town is about 80 kilometres north of Düsseldorf.
Wikipedia https://en.wikipedia.org/wiki/Haltern_am_See
Official Website https://www.haltern-am-see.de/
Coordinates 51°44'34.986" N 7°11'13.995" E