It might looks strange in Rihios visitors eyes, because of his small length and depth. However it’s a fact that some years ago the river characterized by rich fish-fauna. A characteristic fact is that near to the village of Rentina, was a place where eels were picked up while they were traveling between the sea and the lake. Today the river is supplied by underground springs.
The valley of Makedonika Tempi along with the river and the riverside forest are an ideal place for people to get in touch with nature. A visit here will sensitize and help us realize the need of protecting this area and nature in general.