There are three National Parks in Wales covering an area of 4122 sq km (1591 sq miles). This represents approximately 20% of the land area of Wales. Snowdonia was designated in 1951 followed by Pembrokeshire Coast in 1952 and Brecon Beacons in 1957.

National Parks were created to protect the most beautiful and imposing landscapes in the UK. The statutory designation recognises the national importance of such landscapes and gives them a high degree of protection.

Snowdonia is a mountainous region in northwestern Wales and a national park of 823 square miles (2,130 km2) in area. It was the first to be designated of the three national parks in Wales, in 1951.

The Brecon Beacons National Park is centred on the Brecon Beacons range of hills in southern Wales. It includes the Black Mountain in the west, and the Brecon Beacons in the centre and the Black Mountains in the east. It stretches from Llandeilo in the west to Hay-on-Wye in the northeast and Pontypool in the southeast, covering 519 square miles (1,340 km2).

Pembrokeshire Coast National Park is a national park along the Pembrokeshire coast in west Wales. It is the only national park in the United Kingdom to consist entirely of wild and maritime landscape. It has a varied landscape of rugged cliffs, sandy beaches, wooded estuaries, wild inland hills, the moorland of the Preseli Hills and the wooded Gwaun valley. The total area is 629 km2 (243 sq mi).

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