The Porsuk River also Kocasu-Porsuk River ( tr, Porsuk Çayı, Kocasu-Porsuk Çayı), ancient Tembris, is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

in Turkey, that flows for . The city of Eskişehir is sited on the banks of this river. The river is dammed by the

Porsuk dam Porsuk Dam is a dam in Turkey. The development was backed by the Turkish State Hydraulic Works. See also *List of dams and reservoirs in Turkey ReferencesDSI directory State Hydraulic Works (Turkey) The State Hydraulic Works ( tr, Devlet Su ...

forming large reservoirs. The Porsuk flows into the

Sakarya River The Sakarya (Sakara River, tr, Sakarya Irmağı; gr, Σαγγάριος, translit=Sangarios; Latin: ''Sangarius'') is the third longest river in Turkey. It runs through the region known in ancient times as Phrygia. It was considered one of th ...

near the town of Polatlı, ancient Gordium.

References

* Rivers of Turkey Landforms of Eskişehir Province {{Turkey-river-stub