or Peneus River
River, Thessaly , north-central Greece.
It rises in the Pindus Mountains and flows about 125 mi (200 km) southeast and northeast through the plain of Thessaly and the Vale of Tempe into the Gulf of Salonika (see Thessaloníki). In prehistoric times it formed a great lake before it broke through the Vale of Tempe. It is navigable in its lower course.