Thermo is a mountainous municipality of unique historical significance, as the ancient city served as the administrative and religious center of the Aetolian League. Built at an altitude of 360 meters on the foothills of Mount Panetoliko and next to Lake Trichonida, the municipality combines archaeological interest with stunning natural landscapes. The archaeological site with its numerous public buildings and temples is one of the most important in western Greece, while the Archaeological Museum of Thermo houses significant finds from the Hellenistic period. Visitors can explore the historical heritage of Aetolia, enjoy the natural beauty of Greece’s largest natural lake, and experience the tradition of a region that keeps its glorious past alive. The Environmental Education Center and activities on Lake Trichonida offer unique nature experiences.