Complex sentence: Schalksmühle is located in the hills of the Sauerland, and the altitude of the 38.2 km² area changes between 183 m (Pulvermühle) and 502 m (east of Sonnenscheid) above sea level.
Split into simpler sentences: Schalksmühle is located in the hills of the Sauerland. Thus the altitude of the 38.2 km² area changes between 183 m (Pulvermühle) and 502 m (east of Sonnenscheid) above sea level.