Tambre River through Oroso Nature · Oroso, Ordes, A Coruña Image of Oroso, not of the place itself. The Tambre defines the southern edge of Oroso, where it receives the waters of the Maruzo, the Samo and the Cabezeiro; its whole course is included in a special conservation area of the Natura 2000 Network. Photo: IES MANUEL GARCÍA BARROS A ESTRADA- PONTEVEDRA (CC BY-SA 2.0) What to see and do in Oroso