Its source is in the commune of Levaré, and it flows through the communes of Ernée, Chailland, Andouillé and Saint-Germain-le-Fouilloux, before flowing into the river Mayenne (right bank) at Saint-Jean-sur-Mayenne.
The source of this waterway is in the commune of Levaré. It passes through Ernée, Chailland, Andouillé, and Saint-Germain-le-Fouilloux before joining the Mayenne river on its right bank near Saint-Jean-sur-Mayenne.