RionansaRionansa is a municipality located in the autonomous community of Cantabria, Spain.GeographyThis municipality is located in the Nansa River Valley, from which it takes its name, in western Cantabria. The territory is close to one hundred and twenty square miles, all of them belonging to the National Game Reserve Saja.Localities Arenas Las Bárcenas Cabrojo Celis Celucos Cosío La Cotera La Herrería Obeso Pedreo Los Picayos Puentenansa Riclones Rioseco Rozadío San Sebastián de Garabandal