
The Alameda de Alfonso XI is the main square and city park in San Roque (Cádiz). It is located in the urban area, 300 meters west of the Church of St. Mary the Crowned, summit of Cerro de San Roque.
The Alameda de Alfonso XI was inaugurated in the year 1831.1 receives the name of King Alfonso XI of Castile, who died in the siege of Gibraltar during the Reconquista.
It is a pedestrian square about 160 meters long and 70 wide, oriented west-east. At its center is a circular fountain, and the rest of the square is divided into four rectangular sectors. In each of them there is a tree planting, for a total of 250 poplars.