The Alagnon (French pronunciation: [alaɲɔ̃]; Occitan: Alanhon), also spelled Allagnon, is an 86.7-kilometre-long (53.9 mi) river in south-central France.

It is a left tributary of the river Allier.

[1] Its source is near the village of Laveissière, near the Plomb du Cantal in the Massif Central.

The Alagnon flows generally northeast through the following departments and towns: The Alagnon flows into the river Allier at Auzat-la-Combelle.

You can help Wikipedia by expanding it.This article related to a river in France is a stub.