Aff (river)
| Aff | |
|---|---|
The Aff at La Gacilly | |
| Location | |
| Country | France |
| Physical characteristics | |
| Mouth | |
• location | Oust |
• coordinates | 47°43′1″N 2°7′38″W / 47.71694°N 2.12722°W |
| Length | 66 km (41 mi) |
| Basin features | |
| Progression | Oust→ Vilaine→ Atlantic Ocean |
The Aff (French pronunciation: [af]; Breton: Av) is a river in Brittany, western France. It is a 66-kilometre (41 mi) long tributary of the river Oust. It is canalized for 7 kilometres (4.3 mi) between Glénac (its confluence with the Oust) and La Gacilly.