El nudo ferroviario de Alsasua Historical milestone · Altsasu/Alsasua, Sakana, Navarra Image of Altsasu/Alsasua, not of the place itself. The station, opened in 1864 when it connected the Madrid-Hendaya and Castejón-Alsasua lines, turned the town from an agricultural into an industrial one. The Sunsundegui bodywork factory, linked to that development, came to employ around 300 people before its closure in 2025. estación desde 1864 Photo: Julio Ruiz de Alda (Public domain) What to see and do in Altsasu/Alsasua