The Vils () is a river in Bavaria, Germany, it is a right tributary of the Danube.
The Vils is formed by the confluence of its two source rivers, the Kleine Vils and the GroÃÂe Vils, in Gerzen. It is long ( including GroÃÂe Vils). It flows east through a rural area with small towns, including Aham, Frontenhausen, Marklkofen, Reisbach, Eichendorf and Aldersbach. It flows into the Danube in Vilshofen.