Best mountain peaks around Llanwrthwl are located in Powys, Wales, providing access to a horseshoe of mountains with views of the Cambrian Mountains. This area features wild moorland and narrow mountain paths, suitable for experienced hill walkers. The landscape is characterized by its rugged beauty and panoramic vistas. Notable peaks in the Llanwrthwl area include Trembyd Mountain, Drum Ddu, and Y Gamriw.
Last updated: May 6, 2026
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The ridge of Castle Bank hosted two successive castles. Having completed the steep climb to the summit (304m), you will appreciate why it was such a great defensible position. Catch your breath and enjoy commanding views over the tributary valleys of the River Ithon.
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It's a steep climb, and you have other hills to climb on this walk. Give it a miss unless you are very fit.
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This is a beautiful and quite area just outside the Brecon Beacons National Park. It is also a very quite not often visited part of the work. A stunning walking area with Iron Age Hill Forts, a trig point and cairn topped mountain tops amidst rolling hills on a high plateau. I adore the hills here and you can quite easy get a good hike out of it. Not to be confused with the Snowdonia Carneddau. For a good route taking in all of the main features click here: https://www.komoot.com/tour/283448899
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Gorllwyn and Drygarn Fawr are two of the only Nuttalls in the Rhayader area. These two hills are in the remote section of the Cambrian Mountains and provide superb views over reservoirs and open moorland. The cairn on top of Drygarn Fawr is very imposing.
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Gorllwyn, at 2,011 feet (612 m) is a subsidiary summit of Drygarn Fawr, located on a remote moorland plateau of the Cambrian Mountains. The summit is grassy and is surrounded by peat bog. There is a shelter cairn and a trig point. To the west is Drygarn Fawr, its large cairns making it a very distinctive feature in an otherwise featureless plateau. Drygarn Fawr is separated from Gorllwyn by the pass of Bwlch y Ddau Faen. To the east the plateau continues towards Y Gamriw. Radnor Forest lies further to the east. It is a UK listed Nuttall.
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The Llanwrthwl area offers several distinct peaks. You can explore Puke Hill, known for its challenging climb and views over reservoirs. Another significant peak is Drygarn Fawr Summit Cairn, offering superb views over open moorland. Additionally, Castle Bank Summit provides historical interest with commanding views from a former castle site.
Yes, the region has historical significance. Castle Bank Summit is a notable historical site, having hosted two successive castles, offering a glimpse into its past as a defensible position. Additionally, Y Gamriw, part of the Llanwrthwl horseshoe walk, features a summit cairn that was historically used as a lookout point by the Home Guard during WWII.
The mountain peaks around Llanwrthwl offer spectacular panoramic views. From Trembyd Mountain, you can appreciate wide-ranging vistas of the Wye Valley and beyond. Peaks like Drygarn Fawr Summit Cairn and Gorllwyn Summit Cairn and Trig Point provide superb views over reservoirs and vast open moorland, characteristic of the Cambrian Mountains.
Many of the trails to the mountain peaks around Llanwrthwl are considered challenging, suitable for experienced hill walkers. The area features wild moorland, occasional peat bogs, and narrow mountain paths. For example, the Llanwrthwl horseshoe walk, encompassing Trembyd, Drum Ddu, and Y Gamriw, is a challenging 10-mile (16km) route taking approximately 5 hours.
Yes, the 'Llanwrthwl horseshoe walk' is a well-known route that combines several peaks. This challenging 10-mile (16km) walk typically includes Trembyd Mountain, Drum Ddu, and Y Gamriw, offering an extensive exploration of the wild Abergwesyn Commons and truly spectacular views.
Beyond the panoramic views, you'll encounter several natural landmarks. Many peaks, such as Drygarn Fawr Summit Cairn and Gorllwyn Summit Cairn and Trig Point, feature imposing cairns. The landscape is also characterized by wild moorland and occasional peat bogs, especially on the route to Y Gamriw, which often involves navigating wet terrain.
Besides hiking the peaks, the area around Llanwrthwl offers various outdoor activities. You can find numerous road cycling routes, including challenging loops around the Elan Valley reservoirs, as detailed in the Road Cycling Routes around Llanwrthwl guide. Mountain biking is also popular, with trails like the Puke Hill – Claerddu River Crossing loop, which you can explore in the MTB Trails around Llanwrthwl guide.
While many peaks are challenging, you can find easier hiking options in the broader Llanwrthwl area. For instance, the Easy hikes around Llanwrthwl guide features routes like the Elan Valley Visitor Centre – Caban Coch Dam loop, which are suitable for a more relaxed experience.
Trembyd Mountain, standing at 475 meters, is often the first peak encountered on the Llanwrthwl horseshoe walk. Its Welsh name, meaning 'View of the world,' aptly describes the panoramic vistas it offers, particularly of the Wye Valley. The ascent via a bridleway provides excellent opportunities to appreciate these wide-ranging views, and it's recognized by the National Trust for its natural beauty.
Drum Ddu, located after Trembyd on the horseshoe walk, features a prominent summit cairn. This cairn provides an ideal spot for a break or lunch, offering shelter from the prevailing south-westerly wind while allowing you to enjoy the surrounding landscape and views.
Y Gamriw, reaching approximately 600 meters, offers extensive views and a sense of history. Its summit features a cairn, one of three historically used as a lookout point by the Home Guard during WWII. Be prepared for potentially wet terrain on the walk to Y Gamriw, so proper walking footwear is essential.
The region's wild moorland and challenging paths mean that conditions can vary significantly. While specific seasonal advice isn't provided, the mention of wet terrain and challenging routes suggests that drier, milder months would be more comfortable for hiking. Always check the local weather forecast before heading out, especially for winter hiking conditions.


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