Best mountain peaks around Llanddew are situated within the Bannau Brycheiniog (Brecon Beacons) National Park. This region provides access to notable mountain peaks known for their dramatic landscapes and offers diverse walking routes. The area features mountainous terrain, providing views across South Wales. Llanddew serves as a base for exploring these prominent mountains near Llanddew Brecon Beacons.
Last updated: May 6, 2026
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Cribyn is the smallest of the Brecon's 'big Three, but it is a shapely top and should be included in any climb up here.
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Less busy than the two peaks further West and with a similar view, especially looking north, maybe the nicer option for a break.The path from here over the ridge is great.
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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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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 walk to the top of Fan y Bîg. takes in some of the most incredible ridge lines in the Brecon Beacons. It’s 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 it’s 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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Corn Du is a summit of the twin topped Pen y Fan and the second highest peak in South Wales. The summit is often crossed on the way to Pen y Fan, and forms part of a well-known circuit of the Beacons.
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Mynydd Llangorse is a great summit ridge standing between the Waun Fach mountains to the east and the higher Pen y Fan group to the west. It's a nice run from Llangorse Lake or Cwmdu and is also an outlier on the Black Mountain Round. The top is at 1,690 feet (515 m), but the trig point stands at the western end of the ridge at 1,660 feet (506 m).
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The most popular mountain peaks in the area include Pen y Fan, the highest summit in South Wales, and its neighbor Corn Du summit. Another highly regarded peak is Fan y Bîg Summit and Diving Board, known for its stunning panoramas and unique rock formation.
From peaks like Pen y Fan and Corn Du summit, you can expect breathtaking panoramic views that, on a clear day, can stretch over the Bristol Channel, the Gower Peninsula, the Black Mountains, and the Cambrian Mountains. Cribyn Summit offers bold views, particularly over Pen y Fan, and impressive northern vistas towards Mynydd Epynt and Brecon.
Yes, peaks like Cribyn Summit are known for their challenging climbs, especially from the north-east, offering a rewarding experience for ardent walkers. The traverse of Fan y Bîg, Cribyn, Pen y Fan, and Corn Du is considered one of the best hill outings in Wales, involving significant ascents.
Fan y Bîg Summit and Diving Board tends to be less crowded than Pen y Fan, providing a more tranquil experience while still offering stunning panoramas and the famous 'diving board' rock formation. Cribyn Summit is also often less busy than its western neighbors, Pen y Fan and Corn Du.
Pen y Fan is characterized by its red sandstone and is topped with a Bronze Age cairn. Corn Du summit features an elliptical tarn, Llyn Cwm Llwch, far below. Fan y Bîg Summit and Diving Board is famous for its 'diving board' rock formation, a popular spot for photos.
Mynydd Llangorse Summit is an easily accessible hill, an outlier of the Black Mountains, that provides glorious views on a clear day. Its bridleways and byways are popular with hikers, horseriders, and mountain bikers, making it a good option for a less strenuous outing.
Beyond hiking, the area around Llanddew offers various outdoor activities. You can find numerous routes for cycling, including difficult loops like the '3 Reservoirs loop' or 'Pontsticill Reservoir – Monmouthshire and Brecon Canal loop'. There are also running trails, such as the 'Monmouthshire and Brecon Canal loop from Brecon'. For more details, explore the Cycling around Llanddew and Running Trails around Llanddew guides.
While some peaks offer challenging ascents, Pen y Fan has routes suitable for various fitness levels, including casual day-trippers. For easier walks, consider the Easy hikes around Llanddew guide, which features routes like the 'Monmouthshire and Brecon Canal loop' or the 'Brecon Castle – Priory Groves loop' that are suitable for families.
The Brecon Beacons National Park offers impressive views year-round. Clear days provide the best panoramic visibility. However, it's important to be prepared for changing weather conditions, especially on higher peaks. Early mornings are often recommended to avoid crowds, particularly on popular summits like Pen y Fan.
The terrain varies from well-trodden paths on popular routes to steeper, more challenging ascents. Peaks like Cribyn Summit involve a 'lung busting pull' from every direction. While Pen y Fan has routes for various fitness levels, the area is used for SAS training, indicating that conditions can be demanding, especially in bad weather. Always wear sensible footwear and be aware of potential strong winds or reduced visibility.
Yes, combining peaks is a popular way to experience the area. For example, Corn Du summit is often included in walks with Pen y Fan, such as a 4-mile circular trail from Storey Arms. The classic 'horseshoe' or 'four peaks' route through the Brecon Beacons typically includes Fan y Bîg, Cribyn, Pen y Fan, and Corn Du.
Visitors frequently praise the breathtaking panoramic views from the summits, the rewarding challenge of the climbs, and the sense of accomplishment. The unique natural features, such as the Bronze Age cairn on Pen y Fan and the 'diving board' on Fan y Bîg, are also highly appreciated. The opportunity for extensive hill-bagging and the less crowded experience on some peaks add to the appeal.
See even more amazing summits around Llanddew with these guides:
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