Brenne (river)
The Brenne is a river in the Bourgogne-Franche-Comté region of France. It is a right tributary of the Armançon river. Its source is located near Sombernon, in the Côte-d'Or department. The Brenne flows generally northwest through the Côte-d'Or department before joining the Armançon near Montbard. The river's length is approximately 72 kilometers (45 miles). It is known for contributing to the scenic beauty of the region. The Brenne valley is also associated with various local historical and cultural elements. The river's watershed supports a diverse ecosystem.