Rio Iregua is a river located in the northern region of Spain, specifically in the province of La Rioja. It flows through the picturesque landscapes of the Sierra de la Demanda mountains and eventually joins the Ebro River. The river is known for its clear waters and is a popular spot for outdoor activities such as fishing and hiking. The Iregua River is approximately 50 kilometers long and plays a vital role in the local ecosystem. It supports various wildlife and plant species, contributing to the biodiversity of the area. The river also serves as a natural resource for nearby communities, providing water for agriculture and recreation.