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United Kingdom
Wales
South Wales
Carmarthenshire
Cyngor Bro Dyffryn Cennen

Carreg Cennen Castle loop — The Beacons Way

Easy

4.6

(57)

271

hikers

Carreg Cennen Castle loop — The Beacons Way

01:51

6.25km

180m

Hiking

Embark on the Carreg Cennen Castle loop, part of The Beacons Way, an easy hike covering 3.9 miles (6.2 km) with an elevation gain of 592 feet (180 metres), typically taking around 1 hour and 51 minutes. This route winds through varied terrain, from good paths and country lanes to rough tracks, offering a captivating blend of history and nature. You will see the dramatic Carreg Cennen Castle perched on its limestone crag, surrounded by a patchwork of wooded valleys, small fields, and hedgerows, with glimpses of the windswept Black Mountain in the distance.

To begin your adventure, head to the car park near the castle, where you will also find a café and shop for refreshments and facilities. The walk from the car park to the castle itself is steep and uneven, so sturdy footwear is highly recommended for your comfort and safety. Dogs on leads are welcome to join you on this scenic route, making it a great option for a day out with your canine companion.

This trail is notable for its rich history, with the castle site showing evidence of prehistoric settlements and its role in past conflicts. The area's diverse ecosystems, influenced by changing rock types, support a variety of flora and fauna; keep an eye out for woodland birds like Nuthatches and even Red Kites soaring overhead. The route also features interesting geological remnants, including pillow mounds and a large lime kiln, adding layers of discovery to your hike.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Brecon Beacons National Park

Waypoints

A

Start point

Parking

Get Directions

1

610 m

Carreg Cennen Castle

Highlight • Castle

The Castle farm has a great tea room with home cooking. The also have rare long horn cattle which are around the base of the castle

Tip by

2

2.28 km

View of Castell Carreg Cennen

Highlight • Castle

There are great views of Castell Carreg Cennen from here, looking north-west across the valley. The castle is perched gloriously on a rocky limestone outcrop, and its outer walls and towers look majestic and are a reminder of its former glory.

Tip by

3

4.07 km

This magical spot, Llygad Llwchwr which translates as "eye of the Loughor" is where the River Loughor emerges from its source - an underground lake at the Black Mountain. Below the surface from Llygad Llwchwr is a 1.2 km-long cave system in the Black Mountain.

The cave contains a dry high level series and an active river level. Beyond the fourth river chamber exploration is only possible by cave diving.

Tip by

B

6.25 km

End point

Parking

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Way Types & Surfaces

Way Types

3.12 km

1.72 km

758 m

621 m

Surfaces

3.53 km

1.67 km

633 m

385 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (260 m)

Lowest point (150 m)

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Weather

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Sunday 5 July

21°C

13°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

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