Barcelona contains 68 municipal parks, divided into 12 historic parks, 5 thematic (botanical) parks, 45 urban parks and 6 forest parks.[47] They range from vest-pocket parks to large recreation areas. The urban parks alone cover 10% of the city (549.7 ha/1,358.3 acres).[33] The total park surface grows about 10 ha (25 acres) per year,[48] with a proportion of 18.1 square metres (195 sq ft) of park area per inhabitant.[49]
Of Barcelona's parks, Montjuïc is the largest, with 203 ha located on the mountain of the same name.[33] It is followed by Parc de la Ciutadella (situated in the place of the old military citadel and which houses the Parliament building, the zoo and several museums; 31 ha/76.6 acres including the zoo), the Guinardó Park (19 ha/47.0 acres), Park Güell (designed by Antoni Gaudí; 17.2 ha/42.5 acres), Oreneta Castle Park (also 17.2 ha/42.5 acres), Diagonal Mar Park (13.3 ha/32.9 acres, inaugurated in 2002), Nou Barris Central Park (13.2 ha/32.6 acres), Can Dragó Sports Park and Poblenou Park (both 11.9 ha/29.4 acres) and the Labyrinth Park (9.10 ha/22.5 acres), named after the garden maze it contains.[33] A part of the Collserolla Park is also within the city limits.