Best natural monuments around Glascwm are found in a community nestled in the upper Edw valley in Radnorshire, Powys, Wales. This region is characterized by expansive uplands, rolling moorlands, and tranquil river valleys. It offers diverse landscapes, geological interest, and opportunities for outdoor exploration. The area provides a sense of isolation and solitude for those seeking quiet natural escapes.
Last updated: August 11, 2026
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Delightful waterfall that is well worth the detour off the A44 near New Radnor. The track is a bit rough and bumpy to the small car park, and it is a short walk from there. Definitely worth visiting after prolonged rain, it can completely dry up in summer.
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At 441m, Moelfre ("The Bold / Barren Hill") is a Welsh listed Bridget. The trig point is located about 100m East, and a whole 1m lower than the actual summit. It's heather moorland (likely boggy!) terrain. Extensive views on offer in most directions, including views across the Duhonw valley to the South-East.
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The Whimble has a striking conical shape. The summit is 599m and on a clear day offers great voews with the hill dropping away steeply on all sides. To the southeast, Hergest Ridge and the Black Mountains visible to the south. To the west and north the higher, flat-topped summits of the Radnor Range. To the northeast, Bache Hill.
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The fine rainbow mist surrounding the unusually named Water-break-its-neck waterfall creates a humid micro-climate in this lush green gorge. There's a high and low path so you can enjoy both viewpoints.
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Black Mixen is a subsidiary summit of Rhos Fawr or Great Rhos in the Radnor Forest. The summit is large peat bog plateau. The summit is marked with a cairn, and is next to a radio transmitter and its building. Black Mixen is the only UK registered Nuttall to have a communications mast on its summit.
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The Begwns offers spectacular panoramic views of the surrounding countryside. It is possible to see almost the entire Brecon Beacons National Park from the quaint wooded 'roundabout' and trig point. It is listed as a UK Marilyn.
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A lovely decent sized hump with a trig point on the outskirts of Builth Wells. Nice viewing point. Height 441m. You can hike Moelfre along with Garth Hill in one long hike. See my route details here: https://www.komoot.com/tour/264906708
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Visitors frequently enjoy the dramatic Water-Break-Its-Neck Waterfall, known for its humid micro-climate and lush gorge. Another favorite is The Begwns Roundabout and Trig Point, offering panoramic views that can stretch across almost the entire Brecon Beacons National Park. The Whimble, with its striking conical shape, also provides excellent vistas, including Hergest Ridge and the Black Mountains on a clear day.
Yes, Water-Break-Its-Neck Waterfall is considered family-friendly. It offers both high and low paths, allowing for different viewpoints and accessibility options for various ages and abilities to enjoy the waterfall and its surrounding forest.
The region is rich in geological interest. Glascwm Hill and Gwaunceste Hill are composed of ancient Silurian mudstones, siltstones, and sandstones, giving them characteristic rounded profiles. Gwaunceste Hill also shows evidence of glacial till and peat deposits. Gilwern Hill, distinctively, is formed from lower and middle Ordovician volcaniclastic rocks, offering a unique geological perspective.
The area around Glascwm is excellent for various outdoor activities. You can find numerous mountain biking trails, such as those detailed in the MTB Trails around Glascwm guide, or explore road cycling routes like those in the Road Cycling Routes around Glascwm guide. Gravel biking is also popular, with options available in the Gravel biking around Glascwm guide. The River Edw is also popular for fishing, particularly for wild brown trout, and offers secluded spots for paddling or swimming.
Yes, Gilwern Hill features two prehistoric stone rows at its southern end, with large stones over 2 meters high, blending natural landscape with ancient human history. Additionally, Bache Hill Summit is marked by a trig point built on an ancient burial mound, likely from the Bronze Age, adding a layer of historical intrigue to the natural setting.
For vast, empty spaces and a sense of isolation, Glascwm Hill is an excellent choice. It's part of the high, undulating moorland separating the Edw and Arrow valleys. The extensive uninhabited moorlands of Carneddau within the Glascwm area also offer a remote and wild landscape, rich in biodiversity.
Absolutely. The Begwns Roundabout and Trig Point is a natural monument and summit offering panoramic views. The Whimble, with its 599m summit, provides striking views with steep drop-offs. Black Mixen Summit, a subsidiary of Rhos Fawr, is another significant peak in the Radnor Forest area.
The River Edw is a small, fast-flowing mountain stream, bordered by impressive oak trees, forest-covered hills, and imposing cliffs. It features varied water conditions, including slow-moving pools and faster sections. The Clas Brook flows westwards to meet the River Edw, contributing to the tranquil river valleys that characterize the region.
Visitors particularly appreciate the spectacular panoramic views from spots like The Begwns Roundabout and Trig Point. The unique micro-climate and lush greenery of Water-Break-Its-Neck Waterfall are also highly praised. The overall sense of isolation and solitude offered by the expansive uplands and moorlands, combined with diverse natural features, makes the area a cherished destination for outdoor enthusiasts.
Yes, Black Mixen Summit and Bache Hill Summit are both subsidiary summits of Rhos Fawr, or Great Rhos, located within the Radnor Forest. Black Mixen is notable for its large peat bog plateau, while Bache Hill features a trig point on an ancient burial mound.
Many natural monuments in the Glascwm area, such as Glascwm Hill and Gwaunceste Hill, are criss-crossed by public bridleways and designated as open country. This allows walkers and explorers to freely roam and discover the diverse landscapes. The Water-Break-Its-Neck Waterfall also offers both high and low paths for viewing.


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