Rivers of Allier

The Loire ( , , ; ; ; ; ) is the longest river in France and the 171st-longest in the world. With a length of , it drains , more than a fifth of France's land, while its average discharge is only half that of the Rhône.

river in central France

river in France

The Sioule (; ) is a long river in central France, a left tributary of the river Allier. Its source is near the village of Orcival, north of Mont-Dore, in the Massif Central. The Sioule has cut a deep gorge, especially in its upper course. The Sioule flows generally northeast through the following departments and towns:

The Besbre () is a river in central France, a left tributary of the Loire. It is long. Its source is on the mountain of Puy de Montoncel, northeast of Thiers, in the Massif Central. The Besbre flows generally north, through the following departments and towns:

river in France

The Acolin () is a long river in France. It is a left tributary of the Loire, which it meets near Decize. It flows through the departments of Allier and Nièvre.

river in France

The Bouble () is a long river in the Allier and Puy-de-Dôme departments in south central France. Its source is at Gouttières. Flowing generally northeast, the Bouble drains an area of 555 km2 (214 sq mi). It is a left tributary of the Sioule into which it flows between Saint-Pourçain-sur-Sioule and Bayet.