GC98NX5-OCREZA RIVER MOUTH VIEWPOINT (PR11)
The river Ocreza, also sometimes referred to as Ribeira de Ocreza, is a Portuguese river that begins in the parish of São Vicente da Beira, Serra da Gardunha at 1160 m of altitude, west of Castelo Novo and flows into the river Tejo, downstream of the Fratel dam, 12 kilometres from Fratel. It is a periodic river, with several streams as affluents, highlighting the Senhora da Orada stream, Líria stream, Pracana stream, Alvito stream, Sarzedinha stream.
It has a course of about 64 km and a basin area of 1422 km.
In Ocreza there are several dams: Salles Viana (800 m elevation), Santa Águeda (Marateca) (385 m) and Pracana Dam (114 m), the latter for hydroelectric use.