Cierre de la Verja de Gibraltar Historical milestone · La Línea de la Concepción, Campo de Gibraltar, Cádiz On 8 June 1969 the Franco regime ordered the closure of the border gate with Gibraltar, which remained shut for thirteen years until it reopened on 14 December 1982, with an enormous impact on the economy of La Línea. 8 de junio de 1969 - 14 de diciembre de 1982 Photo: David Jones from Isle of Wight, United Kingdom (CC BY 2.0) What to see and do in La Línea de la Concepción