The creation of the municipality of Caldearenas Historical milestone · Caldearenas, Alto Gállego, Huesca Image of Caldearenas, not of the place itself. Aquilué, which had gone on absorbing Estallo, Serué and Latre, merged with Javierrelatre. The capital status fell to Caldearenas, a place born around 1900 around the station of the Canfranc railway line. 1969 Photo: Willtron (Wikimedia Commons) (CC BY-SA 3.0) What to see and do in Caldearenas