Its source is in the northern Vardousia mountains, near the village Artotina, Phocis. The river flows in a generally southwestern direction, for most of its length in Aetolia-Acarnania. It feeds the reservoir of Lake Evinos, that is about 10 km².
The river's origin is in the northern Vardousia mountains near Artotina, Phocis. It flows southwestward for most of its length through Aetolia-Acarnania and feeds into Lake Evinos, which has a surface area of about 10 square kilometers.