River in western France
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.[1] It is canalized for 7 kilometres (4.3 mi) between Glénac (its confluence with the Oust) and La Gacilly.[2][3]
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