Arachthos is a river located in northwestern Greece, primarily flowing through the region of Epirus. It originates from the Pindus Mountains and travels approximately 110 kilometers before emptying into the Ambracian Gulf. The river is known for its scenic beauty and is surrounded by lush landscapes, making it a popular spot for outdoor activities. The Arachthos River is also significant for its historical and cultural importance. It has been a vital water source for local communities and has played a role in various historical events. Additionally, the river is home to diverse wildlife and supports local ecosystems, contributing to the region's biodiversity.