 Reinosa is the largest town in this area of Cantabria and is on the main railway line and located close to the A67 motorway.The town contains a number of hotels and restaurants, and Montesclaros High School is located here.The source of the River Ebro is in the village of Fontibre where a stream emerges from the ground from the town; a large artificial lake Embalse del Ebro was created in the Franco era by damming the river just below Reinosa.