Waterfall of o río Corzán Nature · Negreira, Barcala, A Coruña Image of Negreira, not of the place itself. A waterfall on the River Corzán between the hamlets of Barbanzán and Liñaio, in a stretch of riverside woodland; it is the most visited fall in a municipality furrowed by the rivers Tambre and Barcala. Photo: Iago Casabiell González (CC BY-SA 4.0) What to see and do in Negreira