Kølsen is a village in Viborg Municipality, in the region of Central Denmark, Denmark. Kølsen lies at 33 m above sea level. The nearest city is Viborg, 8.5 km to the southeast. Among the landmarks around are Viborg Cathedral (8.5 km), Fyrkat (27 km) and Skovgaard Museum (8.5 km). Among the natural features are Tulsbjerge (14.5 km).