Beilen (52°52′N 6°31′E) is a village in the Dutch province of Drenthe. It is a part of the municipality of Midden-Drenthe, and lies about 16 km south of Assen. The old Reformed church is the only remaining truly old building; a large fire destroyed a major part of Beilen in 1820. Beilen has a railway station - Beilen railway station.The biggest employers in Beilen are the former DOMO milk powder factory and the psychiatric hospital GGZ Drenthe.