A tributary of Axios River, the Stream of Stravopotamos and the Grand Stream (Kotza - Dere) or Mayday Stream, an idyllic location that is just 3 km away from Axioupoli impresses the nature lover visitor of this region of Paiko.

This is an ideal place for fishing and fun as it has leisure venues, taverns, restaurants and accommodation facilities.

In the Mount Paiko, abundant streams flow and among the most important are these of Stravopotamos and May Day (Kotza Dere), along with the stream of Gorgopi, Kryo Stream, and Peponia.