Trekking Hellas is the oldest company of its kind in Greece, founded in 1986. It is the company that introduced and established outdoor activities in our country, such as rafting, canyoning, river trekking, and more, thus contributing to the tourism development of entire regions. Today, it consists of a group of businesses that extend throughout Greece, creating the most comprehensive active tourism network, with international recognition. The rich Ambracian Gulf, a closed protected sea with a 250 km coastline, includes 20 lagoons, over 160 species of birds, at least 48 species of fish, turtles (Caretta-Caretta), and around 150 dolphins. The Acheron River features unique riverside paths and the Necromanteion. The delta of the Louros and Arachthos rivers. All these and other well-hidden gems are waiting for you to discover with Dimitris Papageorgiou and his team. Some of the activities you can enjoy include: - Rafting on the Arachthos, Kalarytikos, and Acheron rivers. - Canyoning in the gorges of the Tzoumerka region. - Canoeing on Lake Zirou, Lake Pournari, and the Arachthos delta in the Ambracian Gulf. - Climbing and rappelling. - Archery and mountain biking. - Hiking on uniquely beautiful trails. - Horse riding on riverside paths of the Arachthos. - Environmental school excursions (single or multi-day) with hands-on activities such as hiking, flora and structured environment studies, traditional fishing methods (pezovolo), and beekeeping.