| Set | |
| River System: | Segre River |
| Source1 Location: | Llena mountain range |
| Mouth Location: | Sudanell |
| Subdivision Type1: | Country |
| Subdivision Name1: | Spain |
| Length: | 45km (28miles) |
| Source1 Elevation: | 950m (3,120feet) |
The Set (riu de Set in Catalan) is a river in Catalonia (northeastern Spain).[1]