The gate known as Puerta de San Fernando is the first of the contemporary entrances. It was opened in 1854 in the place where the "hole", through which the Roman aqueduct entered the city, was located. In 1858, on the occasion of the visit of Queen Isabel II and her children, it was given the name of Gate of Prince Alfonso, to honour the future king Alfonso XII, who at the time was just a one-year-old infant. Due to the large amount of population living in the northern part of the city and problems with heavy traffic, the gate underwent a reform in 1962, when it was widened. At the same time, the buildings annexed to the gate along the outside of the wall were demolished and fourteen years later all the buildings surrounding the exterior side of the wall were completely eliminated.
Today, a monolith standing by this entrance commemorates another royal visit, the one that took place in 1976 by Spain's current monarchs, King Juan Carlos I and Queen Sofía.
When crossing the gate and looking towards the centre of the city one can see the church of San Froilán, the patron saint of Lugo.