Haltern am See (Haltern at the lake, before December 2001 only Haltern) 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 (9 miles) north of Recklinghausen. The town is about 80 kilometres (50 mi) north of Düsseldorf. Geography and Nature. Haltern am See is a picturesque city in western Germany with an abundance of natural beauty in its surroundings.
https://en.wikipedia.org/wiki/Haltern_am_See