Cinca can refer to:
- Cinca (Spain), a river in Aragon, Spain
- Cinca River (Romania)
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The Cinca is a river in Aragon, Spain. Its source is in the Circo de Pineta, in the Ordesa y Monte Perdido National Park, in the Aragonese Pyrenees. It is a tributary to the Segre River, with its confluence at La Granja d'Escarp, not far from the point where the Segre flows into the Ebro River. The Cinca River flows through a rich agricultural region.