It is one of the two dams on the river Nestos, in the region of Drama. It is located very close to the village of Paranesti. Both the Thesauros dam and the nearby Platanovryssi dam are impressive technical works, the result of which are the artificial lakes of Thesauros and Platanovryssi respectively. These works intervene in the natural landscape in a dramatic way, evoking feelings of awe in the visitor.