| Lignon du Forez | |
| Map: | Lignon du Forez.png |
| Source1 Location: | Chalmazel |
| Source1 Coordinates: | 45.6656°N 3.7994°W |
| Mouth Coordinates: | 45.7581°N 4.1944°W |
| Subdivision Type1: | Country |
| Length: | 58.9km (36.6miles) |
| Source1 Elevation: | 1490m (4,890feet) |
| Mouth Elevation: | 320m (1,050feet) |
| Discharge1 Avg: | 8.33m3/s |
| Basin Size: | 664km2 |
The Lignon du Forez (pronounced as /fr/, literally Lignon of the Forez; also called Lignon de Chalmazel, literally Lignon of Chalmazel) is a 58.9km (36.6miles) long river in the Loire department, east-central France. Its source is near Chalmazel. It flows generally east. It is a left tributary of the Loire into which it flows near Feurs.
This list is ordered from source to mouth:
Chalmazel, Jeansagnière, Sauvain, Saint-Bonnet-le-Courreau, Saint-Georges-en-Couzan, Sail-sous-Couzan, Saint-Sixte, Leigneux, Boën, Trelins, Marcoux, Sainte-Agathe-la-Bouteresse, Montverdun, Saint-Étienne-le-Molard, Poncins, Cleppé, Feurs