Portugal–Spain border the border exists between Sanlucar de Guadiana in Spain and Alcoutim in Portugal; it is the first and currently only zip line over an international border. Portugal–Spain border The Portugal–Spain border is the international boundary between Portugal and Spain. Referred to as "la Raya" in Spanish and "A Raia" in Portuguese (the stripe), the current demarcation is almost identical to that defined in 1297 by the Treaty of Alcañices. It is one of the oldest borders in the world. The Portugal–Spain border is 1,214 km (754 miles) long and considered the longest uninterrupted border within the European Union. The border
Border guard Defence Forces when required by defence readiness. The Border Guard has police and investigative powers in immigration matters and can independently investigate immigration violations. The Border Guard has search and rescue (SAR) duties, both maritime and inland. The Guard operates SAR helicopters that are often used in inland SAR, in assistance of a local fire and rescue department or other authorities. The Border Guard shares border control duties with Finnish Customs, which inspects arriving goods, and the Finnish Police, which enforces immigration decisions such as removal. The French "Direction générale des douanes et droits indirects", Directorate-General of Customs and Indirect