Roetgen is located approximately 16 km (10 mi) 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.
Roetgen is positioned roughly 10 miles (16 kilometers) southeast of Aachen, bordering Belgium, within the High Fens-Eifel Nature Park, on the Weser stream which rises a few kilometers to the south.