Natural monuments around Felin-Fach offer diverse outdoor experiences within Powys, Wales. This community is situated between the Black Mountains and the Brecon Beacons, providing access to a variety of natural landmarks. The area is part of the Bannau Brycheiniog National Park, known for its scenic landscapes and opportunities for hiking and cycling. Felin-Fach's natural features include mountains, summits, and waterfalls, making it a destination for those seeking natural exploration.
Last updated: May 19, 2026
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Pen y Gadair Fawr stood at an impressive height of 800 metres, and is an subsidiary summit of the highest peak within the Black Mountains … and that is the summit that is of Waun Fach-(811m). Pen y Gadair Fawr is the second highest peak that’s located in the Black Mountains in south-eastern Wales. Marked by a medium-sized cairn, it is a much more distinguished top than its parent 1.5 km to the northwest. Its 658 metres high top Pen Twyn Mawr is about 2 km to the southeast.
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A fine viewpoint, but the cairn has gone (was getting a bit big).
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A beautiful path through the forest to a small waterfall.
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Pwll y Wrach is a waterfall feature on the River Ennig. The river plunges in two separate streams over a lip of hard rock into a pool formed from softer mudstone. It is suggested that the pool got its name from the ancient method of identifying and punishing witches!
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Pwll y Wrach is a waterfall feature on the River Ennig. The river plunges in two separate streams over a lip of hard rock into a pool formed from softer mudstone. It is suggested that the pool got its name from the ancient method of identifying and the punishment for witches!
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In terms of height, Pen y Gadair Fawr plays second fiddle only to Waun Fach as the Black Mountains' second highest summit. However, where Waun Fach's top is broad and relatively uninspiring, Pen y Gadair Fawr's is a little more like a peak in character. The summit is at a junction of paths: head east for Chwarel y Fan and the Mynydd Du Forest, venture south to Pen Twyn Mawr, or stride northeast to Waun Fach.
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Pen Y Gadair Fawr has a big cairn on its summit at 800m. It's a subsidiary peak of Waun Fach but probably offers better views standing at the head of the Grwyne Fechan valley. Normally run as part of the excellent Waun Fach horseshoe from either Llanbedr or Crickhowell.
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Mynydd Troed has a high ridgeline summit with a trig point at 1,998 feet (609 m). It's a good run combined with Mynydd Llangorse and is also part of the Back Mountains Round.
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The area around Felin-Fach, nestled between the Black Mountains and the Brecon Beacons, offers a diverse range of natural features. You can explore prominent mountain summits like Twmpa (Lord Hereford’s Knob), Mynydd Llangorse Summit, and Mynydd Troed Summit. There are also captivating waterfalls such as Pwll y Wrach Waterfall, and the expansive Llangorse Lake, South Wales' largest natural lake.
Yes, several natural monuments offer enjoyable experiences for families. The easy 3.9-mile (6.3 km) loop trail around Llangorse Lake is suitable for various fitness levels. Additionally, Priory Groves provides a pleasant woodland walk with wooden carvings and benches, making it a good option for families. The Pwll y Wrach Waterfall walk is also not particularly long and offers a captivating natural setting.
The region is excellent for various outdoor activities. You can enjoy hiking, horseriding, and mountain biking on the bridleways and byways of Mynydd Llangorse Summit. The broader area offers numerous routes for mountain biking, gravel biking, and easy hikes. For detailed routes, you can explore guides like MTB Trails around Felin-Fach, Gravel biking around Felin-Fach, and Easy hikes around Felin-Fach.
The natural monuments around Felin-Fach offer beauty throughout the year. Spring brings a carpet of bluebells and wild garlic, with chiffchaffs and pied flycatchers in Priory Groves. Early summer sees white and yellow wildflowers. Autumn transforms the landscape with vivid red leaves, particularly on spindle trees. Even in winter, the Pwll y Wrach Waterfall roars after heavy rain, and dippers can be spotted.
Yes, the Pwll y Wrach Waterfall, also known as the Witches Pool, carries a historical mystique. Its name is linked to an ancient method of identifying and punishing witches, adding a unique layer to its natural beauty. Visitors often mention feeling the presence of past events in the area.
Mynydd Llangorse Summit is an easily accessible outlier of the Black Mountains, providing glorious views on clear days. Twmpa (Lord Hereford’s Knob) is also easily accessible from the car park at Gospel Pass, offering stunning expansive views when the clouds clear.
Yes, you can combine visits to several summits. For instance, Mynydd Troed Summit can be combined with Mynydd Llangorse Summit for a longer and rewarding route. The high ridgeline summit of Mynydd Troed is also part of the Back Mountains Round.
Many areas are suitable for walks with dogs. Priory Groves, a mixed woodland walk bordering the Honddu river, is a popular spot for local walkers and runners, including those with dogs. Always ensure dogs are kept under control, especially in areas with livestock or wildlife.
Parking is available at various points. For Twmpa (Lord Hereford’s Knob), there is a car park at Gospel Pass. The village of Llangors serves as a convenient base for exploring Mynydd Llangorse Summit and Llangorse Lake. For Mynydd Troed Summit, popular ascent routes are from Pengenffordd on the A479 or from the col over which the minor road up Cwm Sorgwm goes towards Llangors.
The Pwll y Wrach Waterfall on the River Ennig is notable for its formation. It features two separate streams plunging over a hard rock lip into a pool. This pool was formed from softer mudstone, creating a distinctive natural basin.
In woodlands like Priory Groves, you can enjoy birdwatching, with dippers and grey wagtails often spotted along the Honddu river. In spring, you might hear chiffchaffs, and in early summer, pied flycatchers flit among the trees. The area is also home to various fungi in autumn, and if you're lucky, you might spot signs of dormice.
Priory Groves, a mixed woodland walk bordering the Honddu river, is known for its birdwatching opportunities. Dippers and grey wagtails are frequently seen. Llangorse Lake, as South Wales' largest natural lake, also offers scenic views and excellent opportunities for birdwatching.


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