Best natural monuments around Ystradfellte, a village within Wales' Brecon Beacons National Park, are characterized by diverse geological formations and lush landscapes. The area is known for its "Waterfall Country," featuring numerous cascades, and the significant Porth Yr Ogof Cave. These sites offer opportunities for exploration and observation of natural features. The region's Carboniferous Limestone geology contributes to the formation of dramatic waterfalls and extensive cave systems.
Last updated: May 3, 2026
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The highest peak in south wales and still a very easy one to reach with a short walk up the too straight and too perfect path from the parking. The view is well worth it and if you choose an exotic time or less good weather it is even relatively quiet up here. National Trust put a sign on top of th cairn which is the standard selfie spot here now - gives a bit mixed feelings as the cairn is an ancient burial site.
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Only sligthly lower tha Pen y Fan and close to the 'bigger brother' these two peaks can ideally be combined. From a distance even a bit easier to recognize due to the pronounces plateau on top.
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๐๐ซ๐๐ข๐ ๐๐๐ซ๐ซ๐ข๐ -๐๐ฅ๐๐ข๐ฌ๐ข๐๐ & ๐ ๐๐ง ๐ ๐ซ๐ฒ๐ง๐ฒ๐๐ก ๐๐๐ญ๐ฎ๐ซ๐ ๐๐๐ฌ๐๐ซ๐ฏ๐ ๐๐๐๐โฐ๏ธ Craig Cerrig-gleisiad is an subsidiary summit of Fan Fawr in the Fforest Fawr section of the Bannau Brycheninog National Park. (The Brecon Beacons National Park). Enclosed within an incredible atmospheric amphitheatre thatโs been created by the soaring cliffs of Craig Cerrig-Gleisiad, of which is a incredible size of craggy mountain landscape, that lays just only a few hundred metres up from the main A470 road. The โCraig Cerrig-Gleisiadโ side actually makes up half of the Dramatic landscapes created by glaciers carved where out of this valley during the last ice age. Craig Cerrig-Gleisiad and Fan Frynych National Nature Reserve steepness to the rocky slopes, sharp escarpments and crags are home to rare arctic-alpine known plant, these are their southernmost location in the UK and are NOT found again until the Alps!!. ๐ ๐๐ง ๐ ๐ซ๐ฒ๐ง๐ฒ๐๐ก is the actual summit of the nature reserve an is at a height of (๐๐๐๐)
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The Diving Board on Fan y Big is one of the most photographed locations in the Brecon Beacons. The views over towards Cribyn and Pen Y Fan are super good, as are the views down towards the Gap. It is great to come up here on a winter weekday, when it is a bit quieter too. It is also a very popular spot for your sunrise and sunset shots. It is easier than it looks to get here, and it doesn't matter which way you come up; the effort is absolutely well worth it.
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The views down onto Llyn Y Fawr from here is pretty spectacular. This is one of the nicest places in the Brecon Beacons to walk along. Once you have put in the effort to get here, the ridge has a good footpath, there's a nice walled shelter and the views down towards the lake is pretty awesome on a good day.
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A quieter route that leads to the lake. Beautiful and challenging. ideal for all weathers.
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The walk to the top of Fan y Bรฎg. takes in some of the most incredible ridge lines in the Brecon Beacons. Itโs a steep start, but then you have around 6km of easy ridge line walking, with simply sensational views all the way. Reaching the top is the icing on the cake, and if you luck out with good conditions, with breathtaking views itโs really a very hard spot to leave. As well as the views, you'll also have the chance to step out onto the diving board, one of the most photogenic spots in the area.
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Fan Brycheiniog is the highest peak at a height of 802.5 metres in the Black Mountain region of the Brecon Beacons National Park in southern Wales. There is a trig point at the peak and on the edge of the escarpment, and nearby, a stone shelter with an inner seat.
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The most renowned walk is the Four Waterfalls Walk, which allows you to experience several breathtaking cascades, including the unique Sgwd yr Eira where you can walk behind the curtain of water. Other popular routes include the Elidir Trail and various waterfall loops from Pontneddfechan. You can find detailed routes and guides for these waterfall hikes on komoot, such as the Waterfall hikes around Ystradfellte guide.
The walks vary in difficulty. The Four Waterfalls Walk, for instance, has options ranging from easy to moderate, with some sections involving steep descents and potentially slippery rocks, especially after rain. While many paths are well-trodden, sensible footwear is always recommended. For easier options, komoot offers an Easy hikes around Ystradfellte guide.
Ystradfellte is also home to the impressive Porth Yr Ogof Cave, which boasts the largest cave entrance in Wales. This extensive cave system features underground streams, waterfalls, and striking limestone formations. Additionally, the region offers several prominent mountain summits like Pen y Fan, Fan y Bรฎg Summit and Diving Board, and Fan Brycheiniog summit, offering expansive views and unique geological formations.
The area's geology, primarily Carboniferous Limestone, is responsible for the dramatic formations. This limestone has allowed for the creation of the numerous waterfalls in 'Waterfall Country' as rivers carve through the rock, and also the extensive cave systems like Porth Yr Ogof with its underground features. The mountain summits also showcase rugged landscapes sculpted by glacial forces.
There are several car parks available near the popular natural monuments, especially for accessing the Four Waterfalls Walk. These often come with amenities like toilets and visitor information. It's advisable to arrive early, particularly on weekends or during peak seasons, as these spots can fill up quickly.
While some public transport options exist to reach the general area of Ystradfellte and the Brecon Beacons, direct public transport links to the trailheads of specific natural monuments like the Four Waterfalls Walk or Porth Yr Ogof Cave can be limited. Planning your journey in advance and checking local bus schedules is recommended.
The natural monuments are beautiful year-round. After heavy rainfall, the waterfalls are at their most powerful and dramatic. Spring and autumn offer pleasant temperatures for hiking and vibrant foliage. Summer provides longer daylight hours. However, the area can get busy during peak seasons, so visiting early in the morning or on weekdays is often best for a quieter experience.
Visiting in winter can offer a unique experience, with the possibility of frozen waterfalls during cold spells. However, conditions can be challenging, with slippery paths, reduced visibility due to fog, and strong winds, especially on higher summits like Corn Du summit. Appropriate winter walking gear and caution are essential.
Yes, many parts of the 'Waterfall Country' offer family-friendly sections, and the overall experience of seeing the waterfalls can be captivating for children. While some routes have steep or slippery parts, there are easier trails available. Porth Yr Ogof Cave also offers accessible sections for beginners, and guided tours can make it an exciting adventure for families.
Besides hiking to the waterfalls and exploring caves, the region around Ystradfellte offers a variety of outdoor activities. You can find numerous hiking trails, including easy and moderate options, as detailed in the Easy hikes around Ystradfellte guide. For cyclists, there are also gravel biking routes available, such as those found in the Gravel biking around Ystradfellte guide.
Visitors frequently praise the stunning scenery, especially the majestic views of cascading water and the serene woodland terrain. The unique experience of walking behind Sgwd yr Eira is often highlighted as a memorable interaction with nature. The expansive panoramas from summits like Fan Frynych Trig Point and the geological wonders of Porth Yr Ogof Cave are also highly appreciated.
While the Four Waterfalls Walk and Porth Yr Ogof are popular, exploring the wider 'Waterfall Country' can reveal less crowded but equally beautiful cascades. For instance, beyond the main four, there are many smaller falls along the Afon Mellte and Afon Hepste. Additionally, the various summits like Fan Frynych Trig Point offer unique views and rare arctic-alpine plants, providing a different kind of natural wonder away from the busiest trails.


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