The Brenne is a 71.7-kilometre river in Côte-d'Or in Bourgogne, eastern France. It rises in Sombernon and flows generally northwest to join the Armançon at Buffon, 6 kilometres downstream from Montbard.
Country: France
Length: 71.7 km (44.6 mi)
Progression: Armançon→ Yonne→ Seine→ English Channel