The Brecon Beacons National Park, often called just "The Brecon Beacons" was the third of Wales's designated areas to be opened on the 17 April 1957, and the first to be opened in Wales, preceded by the Snowdonia and Pembrokeshire Coast National Parks in 1951 and 1952 respectively.
The Brecon Beacons is located in South Wales most of which is within the county of Powys though the far west just reaches the county of Carmarthenshire, while the east is just inside Monmouthshire near Abergavenny. There is a National Park Visitor Centre in the hills near Libanus, just south of Brecon, a good place for both walks and to gain further information about the Brecon Beacons, . Brecon and Abergavenny (though just outside the park) are both market towns with a selection of shops, and tourist information centres.
In the south of the Brecon Beacons, a great area for walks is in "Waterfall Country" near the village of Ystradfellte and south of this position where you will find numerous falls and purpose made car parks with way marked trails for you to explore, particularly impressive after rain though care is required. Also in the south and a little to the west, the National Showcaves Centre for Wales at Day-yr-Ogof near Abercraf is a popular Brecon Beacons destination for visitors with a dinosaur park, museum and the caves themselves, one of which has a waterfall inside the cave.
The Big Pit National Coal Museum in Blaenavon, Torfaen close to the Brecon Beacons park boundary is a great place to go if you are interested in the historry and heritage of the area,, with an actualguided tour of a real coal mine, decending by the original method used by the miners you get real stories from retired coal miners. there is also machinery and exhibitions on the surface, and a cafe / canteen high up on the hill for meals and drinks. Admission is Free.
The Sugar Loaf Mountain, owned by the National Trust , close to Abergavenny and within within the Brecon Beacons is within walking distance of the town is one of the highest peaks in the Black mountains at 596 metres / 1955 feet. Not an overly hard walk, no need to scramble, just a steady incline and with far reaching views at the summit of the nearby town and the Brecon Beacons.
Pen y Fan mountain is the highest peak in the Brecon Beacons at 886 metres / 2907 feet a popular walk for visitors to the park along with its twin peak close by which is Corn Du at 873 metres / 2897 feet. There are several ways to reach the summit though the most common and popular your is from the A470 where there is a car park at the roadside which can get very busy at peak times. The walk is strenuous due to the gradient but there is no need to scramble of rock. when you reach the summit you will be greeted with wide open views of the Brecon Beacons and reservoirs to the south (towards Merthyr Tydfil)
The Garwnant Visitors Centre, is located just off the A470 in the Brecon Beacons 5 miles north of Merthyr Tydfil on the left immediately after and at the northern end on the Llwyn-on Reservoir. This is a dog friendly forest location within Fforest Fawr. there is a pay and display car park with reasonable charges, visitor information panels and a centre, toilets and a cafe. There are several color coded walks of increasing in length to suit most abilities and also mountain bike trails. Look out for the animal sculptures throughout the area made from, and carved from a whole tree trunk. There is a large stream / river, the Garwnant Fawr which several of the trails partially follow normally fast flowing and particularly impressive after rain. Finally close to the car park and visitors centre there is also a children's play area with soft bark floor , and swing roundabouts and a zip wire ride.