Best mountain peaks near Llanddewi Ystradenny are situated within the Radnor Forest area of Powys, Wales. This region features a landscape of rolling hills, woodlands, and significant high points, offering diverse terrain for exploration. The area is characterized by open moorland, forested tracks, and steep valleys, providing a variety of natural beauty. It is part of a historic landscape with numerous public footpaths and archaeological interest.
Last updated: June 30, 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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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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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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Rhos Fawr or Great Rhos is a mountain summit in the Radnor Forest (Mid Wales), a rather isolated dome of hills to the north of the village of New Radnor. The local rocks are sedimentary shales and mudstones with some Silurian limestone. With a height of 660 metres (2,170 ft), it is the highest point in the Radnor Forest and the historic county top of Radnorshire. The summit is located on a broad heathery plateau, which is separated from Black Mixen: the eastern plateau summit, by the cwm of Harvey Dingle. To the west is Drygarn Fawr and Gorllwyn, to the northwest Plynlimon, to the north Beacon Hill and the Clun Forest (Shropshire), and to the south the Black Mountains. There is a prominent trig point at the summit, and a very useful landmark for walkers on the broad and featureless summit plateau.
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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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Bache Hill is a subsidiary summit of Rhos Fawr or Great Rhos, in the Radnor Forest in Wales. It is located to the east of Black Mixen. The summit is marked by a trig point built on an ancient burial mound, probably of Bronze Age date, like most of the summit cairns and round barrows in Wales. It is a UK registered Nuttall.
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The region around Llanddewi Ystradenny, particularly within the Radnor Forest, features several significant hills and viewpoints. Notable ones include The Whimble, known for its striking conical shape and extensive views from 599m. Another is Bache Hill Summit, which features a trig point on an ancient burial mound. Great Rhos (Rhos Fawr) is the highest point in the Radnor Forest, offering broad heathery plateaus, and Black Mixen Summit is a subsidiary summit with a unique peat bog plateau.
The highest point in the Radnor Forest, and the historic county top of Radnorshire, is Great Rhos (Rhos Fawr), standing at 660 meters (2,170 ft). Its summit features a prominent trig point on a broad heathery plateau.
Yes, the Radnor Forest area offers a variety of public footpaths suitable for different fitness levels, including options that can be enjoyed by families. While specific 'family-friendly' categories aren't always assigned to individual peaks, many routes through the forest's diverse terrain, including historic drovers' roads, can be adapted for shorter, easier walks. For easy hikes in the broader area, you can explore options listed in the Easy hikes around Llanddewi Ystradenny guide.
The Radnor Forest is characterized by a mix of open moorland, forested tracks, and steep, narrow valleys. You can find diverse vegetation, including protected sites with rare flora. A notable natural attraction is the **Water-break-its-neck Waterfall**, located at the end of a deep gorge, which is particularly stunning after rainfall. The area also features distinct geological and topological vistas compared to other Welsh regions.
The region is rich in historical interest. Bache Hill Summit is marked by a trig point built on an ancient burial mound, likely from the Bronze Age. Additionally, Castle Bank Summit hosted two successive castles, and its steep climb offers commanding views, highlighting its past strategic importance. The broader Radnor Forest also contains archaeological evidence of Bronze Age Round Barrows and prehistoric settlements.
Beyond hiking the peaks, the area offers various outdoor activities. You can find numerous running trails, such as those detailed in the Running Trails around Llanddewi Ystradenny guide. Mountain biking is also popular, with routes like the 'Radnor Forest and Shepherd's Tump loop' found in the MTB Trails around Llanddewi Ystradenny guide. The forest's network of paths is suitable for diverse walking and cycling routes.
Yes, the Radnor Forest generally welcomes dogs, making it a great place for walks with your canine companion. However, it's always advisable to keep dogs under control, especially in areas with livestock or ground-nesting birds, and to follow any local signage regarding dog policies. Many of the public footpaths and forest tracks are suitable for dog walking.
The Radnor Forest can be enjoyed year-round, but the best time for hiking is typically from spring to autumn (April to October). During these months, the weather is generally milder, and the trails are less likely to be muddy or icy. Spring brings blooming flora, while autumn offers beautiful foliage. Always check local weather forecasts before heading out, as conditions can change rapidly in mountainous areas.
While Llanddewi Ystradenny itself is a small village, the surrounding area, including nearby towns like New Radnor and Llandrindod Wells, offers various amenities. You can find cafes, pubs, and accommodation options in these larger settlements, which serve as good bases for exploring the Radnor Forest. It's recommended to check specific opening times and availability, especially in smaller villages.
Public transport options directly to the trailheads within Radnor Forest can be limited. While bus services may connect larger towns in Powys, reaching specific starting points for hikes often requires a car. Some visitors opt to use local taxi services from nearby towns to access more remote trailheads. Planning your route in advance and checking local transport schedules is recommended.
The Whimble, with its summit at 599m, offers particularly striking views due to its conical shape and the way the hill drops steeply on all sides. On a clear day, you can see southeast towards Hergest Ridge and the Black Mountains, and to the west and north, the higher, flat-topped summits of the Radnor Range, including Bache Hill to the northeast.
Black Mixen Summit is a subsidiary summit of Great Rhos, characterized by a large peat bog plateau. The summit is marked by a cairn and is notable for being next to a radio transmitter and its building. It is the only UK registered Nuttall to have a communications mast on its summit, offering a unique landmark for hikers. The terrain can be boggy, so appropriate footwear is advised.


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