| Glafkos | |
|---|---|
| Origin | Achaea, Greece |
| Mouth | Ionian Sea |
| Basin countries | Greece |
The Glafkos (or Glaucus) is a river in Greece. It flows into the Gulf of Patras (Ionian Sea) in Patras. The first hydroelectric power plant was built on this river. Currently, it is open to the public as a museum. The boundary of Messatida with Patras is partially over the Glafkos River.