Best caves around Llywel are situated in Powys, Wales, an area known for its rich geological formations within the Brecon Beacons National Park. This region offers a diverse landscape of natural beauty and historical significance. The area provides opportunities to explore various subterranean environments, from wild cave systems to accessible show caves.
Last updated: June 30, 2026
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The Showcaves are amazing to see, I highly recommend to anyone to explore it and the area around it. Next door to the Showcaves is Brecon Beacons Resort which is amazing , first time I stayed here and it won't be the last, the place is wonderful with so much to do on your own, couple or family ๐.
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Not that much to add here, basically this is a great place to go on a rainy day, or to visit as a rest stop on a bike ride up the Swansea Valley. There is also a great nearby campsite/motorhome venue stay, if you are thinking of staying overnight.
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As well as the caves, here you have Porth yr Ogof car park, or Cwm Porth car park, to give it its proper name. It's one of the better car parks, with toilets and a small shop. On most days there is also hot food and drinks available.ย The famous Four Waterfalls walk also starts from here. This is a spectacular walk, and each waterfall is great in its own way. They are Sgwd Clun-Gwyn, Sgwd Isaf Clun-Gwyn, Sgwd y Pannwr, and Sgwd yr Eira.
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The national show caves is a tourist attraction with several ventures including the Shire Horse centre, a life size dinosaur model exhibit, kids play grounds and the three show caves. The caves are awesome, with over 1km of underground passage to explore, waterfalls and large chambers. Paid entry.
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Moderate trail with few mines to explore and lots of Waterfalls along the trail, enjoy
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Ogof Ffynnon Ddu Nature Reserve is named after a cave that lies under Carreg Cadno's northern slopes. Translating as the Cave of the Black Spring, this is the deepest cave in the United Kingdom, reaching 901 feet (274.5 m) under the surface. The nature reserve itself is a wild-feeling moorland landscape with many rocky outcrops. It enjoys splendid views of the region's peaceful countryside. The reserve protects the wildlife that thrives in this unique environment. Bats and moths populate the caves, while above ground peregrines and red kites hunt in the sky. Early summer is a majestic time to explore here, when flowers like mountain everlasting, autumn gentian, mossy saxifrage and great burnet show off their colours.
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A car park with toilets and a sitting area with tables for all to rest , have a meal or coffee
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For a family-friendly experience, the Dan-Yr-Ogof Showcaves are an excellent choice. This tourist attraction offers not only impressive caves with over 1km of underground passages, waterfalls, and large chambers, but also a Shire Horse Centre, a dinosaur exhibit, and playgrounds. It's a great option for a full day out, especially on a rainy day.
Yes, Llywelyn's Cave (Ogof Llywelyn) near Aberedw holds significant historical importance. Local legend claims it was where Llywelyn ap Gruffydd, the last sovereign Prince of Wales, spent his final night in December 1282. The cave features historical inscriptions from visitors dating back centuries, offering a unique blend of natural history and Welsh heritage. Access to this cave is free and unrestricted.
The region boasts diverse geological formations. Porth Yr Ogof Cave, for instance, has the largest entrance of any cave in Wales, measuring over 55 feet wide and almost 16 feet tall. Further afield, the Llygad Llwchwr 2 system in the Black Mountain range is known for its well-decorated passages, fine formations like stalactites, crystals, and gours, and high-level fossil passages.
For Porth Yr Ogof Cave, there is a pay and display car park (Cwm Porth car park) with toilets and a small shop, often offering hot food and drinks. The car park near the Cave Entrance in Bannau Brycheiniog National Park is also available but can be busy and costs ยฃ6 a day.
While many caves in the region require caving experience, Porth Yr Ogof Cave offers a moderate trail suitable for most visitors, allowing exploration of its impressive entrance. The Dan-Yr-Ogof Showcaves are designed for general public access, providing an easy and guided experience through their underground passages.
The area around Llywel, including the Brecon Beacons National Park, offers numerous outdoor activities. You can find excellent hiking opportunities, such as the Usk Reservoir Trail or more challenging routes like Fan Brycheiniog & Picws Du. For cyclists, there are road cycling routes like the Bwlch Bryn-Rhudd, Devil's Elbow & Glynneath Hill, and gravel biking trails including the Llyn Brianne & The Devil's Staircase loop. You can explore these and more on the hiking guide, road cycling guide, and gravel biking guide for Llywel.
Yes, the Ogof Ffynnon Ddu Nature Reserve is named after the deepest cave in the United Kingdom, Ogof Ffynnon Ddu, which lies beneath its northern slopes. The reserve itself is a wild moorland landscape with rocky outcrops and offers splendid views. It protects diverse wildlife, including bats and moths in the caves, and peregrines and red kites above ground.
For general cave visits like the show caves, comfortable clothing and sturdy shoes are usually sufficient. If you plan to explore more natural caves or engage in caving activities, you should wear layers of warm clothing, as cave temperatures are consistently cool. Waterproof outer layers, sturdy boots with good grip, and a helmet with a headlamp are essential for safety. Always check specific requirements for each cave or guided tour.
Yes, Porth Yr Ogof Cave is a significant point of interest along the famous Four Waterfalls walk. This spectacular trail allows you to experience several waterfalls, including Sgwd Clun-Gwyn, Sgwd Isaf Clun-Gwyn, Sgwd y Pannwr, and Sgwd yr Eira, making it a great combination of caving and hiking.
Yes, the Silica Mine offers a unique experience. While technically a historical mine, it features passages that can be walked through for a considerable distance, similar to a cave. It's part of a moderate trail that also includes several waterfalls. However, be aware that the entrance to the mine is currently blocked off, so full exploration inside may not be possible.
Caves generally maintain a consistent temperature year-round, making them a good option in any season. However, for surface activities around caves, such as the Four Waterfalls walk near Porth Yr Ogof or exploring the Ogof Ffynnon Ddu Nature Reserve, early summer is particularly majestic when wildflowers are in bloom and the weather is generally milder. Wet weather can enhance waterfalls but may make some trails muddy.


Extend your search for the best caves by checking out these guides of the top ones around Llywel: