Valira del Sud is a river located in the eastern Pyrenees, primarily flowing through the region of Andorra. It is one of the two main tributaries of the Valira river, which eventually joins the Garonne river in France. The river is known for its picturesque landscapes and is a popular spot for outdoor activities such as hiking and fishing. The Valira del Sud originates from the Encamp valley and travels through various towns, including Escaldes-Engordany and Andorra la Vella. Its waters are essential for local ecosystems and contribute to the region's natural beauty, making it an important feature of the Andorran landscape.