Close to Planitero into the plane trees forest originates the Aroanios river.
It is formed in the villages Planitero and Arbounas from water of the basin of Feneos that arriving here from sinks. Reinforced by the smaller streams Lagada and Xaliki and flows in a southerly direction until it meet with the river Ladon. The length is about 10 km.
The sources of the river Aroanios at Planitero village and the forest combined with the possibility of food are just some of the attractive elements that are worth visiting.