Canoeing on the Tambre Activity · Negreira, Barcala, A Coruña Image of Negreira, not of the place itself. The stretch of the Tambre running through the concello is set up for canoe descents, an activity that makes the most of the river's steady flow and the rapids that form downstream of Ponte Maceira. Photo: Xosema (CC BY-SA 4.0) What to see and do in Negreira