The Reyssouze (French pronunciation: [ʁɛsuz]) is a river in the Ain department in eastern France.
It is a left tributary of the Saône, which it joins near Pont-de-Vaux.
[1] Its source is in Journans, in the Bresse region.
The Reyssouze flows generally northwest through the following communes: Montagnat, Bourg-en-Bresse, Attignat, Montrevel-en-Bresse and Pont-de-Vaux.
This article related to a river in France is a stub.