| Source1 location | Massif Central |
|---|---|
| Mouth location | Allier |
| Mouth coordinates | 46°21′57″N 3°19′11″E |
| Country | France |
| Length | 164 km (102 mi) |
| Source1 elevation | 1,090 m (3,580 ft) |
| Mouth elevation | 222 m (728 ft) |
| Discharge1 avg | 26 m3/s (920 cu ft/s) |
The Sioule (sjul; Occitan: Siula) is a 164-kilometre (102-mile) long river in central France, a left tributary of the river Allier.[1] 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 Sioule flows into the river Allier at La Ferté-Hauterive, 10 km (6 mi) north of Saint-Pourçain-sur-Sioule.
Its main tributaries are the Sioulet and the Bouble.
The Fades viaduct, the tallest railway bridge in France, is located on the Sioule.