Discover the unique biodiversity of the Nestos River and its surroundings on a river trekking adventure. The Nestos River, one of Greece's most important rivers, runs through a breathtaking landscape of forests, gorges, and diverse habitats. The river also has tremendous historical importance, as it served as the main transportation route during ancient times. River trekking in the Nestos River offers an exciting combination of nature exploration and cultural immersion.