12 stunning castles to visit in Bannau Brycheiniog (Brecon Beacons)

The Bannau Brycheiniog (Brecon Beacons) National Park is home to a collection of enchanting castle ruins and grand mansions. Some were erected during times of intense power struggles and others were commissioned by affluent proprietors.

Wales boasts an impressive collection of around 400 castles, all offer unique experiences, so it's a tough call to make a must see shortlist. Don't miss out on these castles in and around Bannau Brycheiniog (Brecon Beacons) for a great day out, or visit them all over a few days, with a castle filled itinerary.

Close to the National Park is Abergavenny Castle and Museum, located in Monmouthshire. As well as visiting the 11th century Norman castle, learn the story of the town at the museum, housed in a 19th century hunting lodge. The castle ruin is strategically perched on a hill overlooking the River Usk, providing a commanding view of the surrounding landscape. There are a variety of events and exhibitions here. It's a good spot for star gazing and there are plenty of things to do in and around Abergavenny.

Brecon Castle's impressive remnants tower overlooks the Afon Honddu which merges with the River Usk at the Watergate in Brecon. Since the castle is part of The Brecon Castle Hotel, it can only be viewed from the outside.

Castell Bronllys (Bronllys Castle) in Talgarth, Powys has a mid 12th century stone keep, which perches atop an earlier motte. Climb up the tower's three floors and be awarded with amazing views over the River Llynfi. The castle is free to enter and it's dog-friendly.

It's a bit of a steep climb to the top of Carreg Cennen Castle, but the stunning views of Carmarthenshire make it well worth the effort. Built on a limestone crag, this 'castle within a castle' has a twin-towered gatehouse. The Welsh Princes of Deheubarth built the first castle at Carreg Cennen, but the castle ruins than remain today date back to King Edward I. These romantic ruins that inspired the artist JWM Turner, are located about five miles South of Llandeilo in a remote part of the National Park, making it a great place for star gazing. The castle is dog-friendly and is the starting point for two circular walks.

Castell Dinefwr (Dinefwr Castle), dating back to the 12th century, is located in Llandeilo, west of the Bannau Brycheiniog (Brecon Beacons). Perched above the Tywi Valley, it offers stunning views due to it's strategic importance. Established by Rhys ap Gruffydd, also known as Lord Rhys, the ruler of the kingdom of Deheubarth, the castle played a significant role in Welsh history, witnessing various power struggles and changes in control over the centuries. Although it became a ruin during the Middle Ages, it gained popularity as a top picnic spot in the 18th century, thanks partly to its quirky conical roof. The castle is dog-friendly and is surrounded by the beautiful parkland of nearby National Nature Reserve Dinefwr Park.

The 13th century Crickhowell Castle, or Alisby Castle is a motte-and-bailey castle that was largely destroyed by Owain Glyndŵr's forces. These ruins feature the motte's outline, sections of the curtain wall, and a partially ruined gatehouse. The partially ruined gatehouse, with elements like a portcullis and a drawbridge, illustrates its role as the main entry and defensive point. Visitors can climb the motte for views of the town and mountains. Near the ruins, you'll find a playing field perfect for running around or having a picnic, along with a play area for young children. The castle is also close to the local shops in the market town of Crickhowell. Visit The CRiC Centre for tourist information, to browse the gallery, or enjoy a cup of tea or coffee.

If you’re exploring the Bannau Brycheiniog (Brecon Beacons), consider taking a 20 mile detour to Cyfarthfa Castle Museum & Art Gallery in Merthyr Tydfil - a convenient and worthwhile stopover. This Grade I listed building, constructed in 1824, was once the home of the iron-making Crawshay family. In the late 19th century, the castle was transformed into a school and later a museum and art gallery.

The model railway reflects the region's industrial history and takes in the picturesque lake - it's wheelchair friendly too. Cyfarthfa Castle also holds numerous events year-round, so take advantage and explore the area. During your visit, treat yourself to a cup of tea and a freshly baked scone at Julie’s Castle Tea Room.

Hay Castle is located in the centre of the known book town of Hay on Wye. The castle features a blend of medieval fortifications and modern renovations. At its heart is a late 12th century keep. Next to it is a Jacobean mansion with ornate chimneys, large mullioned windows, and intricate plasterwork. The restored gatehouse offers a grand entrance, and the castle is surrounded by picturesque gardens. Today, Hay Castle is as a major centre for culture, arts and education, with a range of events held here throughout the year. It's one of the venues for the famous Hay Festival, one of the world’s biggest and best literary festivals, which takes place in the town every year in late spring. Visitor facilities include a café, gift shop, and toilets. Efforts have been made to ensure that Hay Castle is accessible with lifts and ramps.

Enjoy picturesque views from Llandovery Castle, hidden in the centre of the village. An imposing sight in its heyday during the 12th and 13th centuries, the ruins offer a glimpse into its medieval architecture and history. It played a significant role in the turbulent history of the Welsh Marches, changing hands multiple times between the Welsh and the English. Key features of the castle include its central keep, remnants of lower floors, bailey walls, well-preserved gatehouse. The castle chapel is roofless but stained glass windows remain. The moat is mostly dry, but its outline is visible. Look out for the statue of Llewelyn ap Gruffydd, prince of Gwynedd. Llandovery Castle is free to access with parking nearby.

Raglan Castle is notable for its remarkable architecture and historical importance. It was constructed by Sir William ap Thomas, a Welsh knight, and later expanded by his son, Sir William Herbert. The stunning views of the surrounding countryside can be seen from various vantage points within the castle. The ground level is dog-friendly, which allows you to enjoy a picnic with your four-legged friend on short leads.

Make sure you wander around the castle's imposing towers, grand halls, and beautiful gardens. The architecture and design provide a captivating snapshot of medieval life, while the historical exhibits throughout the site offer informative displays about the castle's rich history.

Tretower Court and Castle in Crickhowell has a massive circular tower, built for both protection and as a show of power. Originally built in the early 12th century as a motte-and-bailey castle, it underwent significant transformations over the centuries. The influential Picard family owned the castle before it past into the hands of the Vaughan family in the 14th century. Enter the great hall, which is laid out for a lavish feast during the 1460s and take a walk in the garden, recreated 15th century. You can take the whole family for a day out, even your pet, as the ground level of Tretower is dog-friendly.

On the outskirts of the National Park is the aptly named Y Castell Gwyn (White Castle). It's the best preserved of the ‘Three Castles’ – which includes Grosmont and Skenfrith, a medieval marcher lordship established by the Normans. The castle is thought to be an early work of the Lord Edward (later King Edward I). It's dog-friendly with a number of picnic tables available making it a perfect stop for a spot of lunch.