Roetgen is a municipality in the district of Aachen, in North Rhine-Westphalia, Germany. Roetgen is located approximately 16 km south-east of Aachen, near the border with Belgium. It is in the north of the High Fens-Eifel Nature Park on the Weser stream which rises a few kilometres to the south. Between Roetgen and Rott is the Dreilägerbach Reserv…Roetgen is a municipality in the district of Aachen, in North Rhine-Westphalia, Germany. Roetgen is located approximately 16 km south-east of Aachen, near the border with Belgium. It is in the north of the High Fens-Eifel Nature Park on the Weser stream which rises a few kilometres to the south. Between Roetgen and Rott is the Dreilägerbach Reservoir, which is fed by the Dreilägerbach stream and the artificially Schleebachgraben and Hasselbachgraben ditches. The attached waterworks supplies large parts of Aachen and the Dutch town of Kerkrade with drinking water.