Best attractions and places to see around Llanddewi Ystradenny, a village in Radnorshire, Powys, Wales, include a blend of historical sites and natural features. The area is characterized by its position within the Radnor Forest, featuring several mountain summits and a notable waterfall. Visitors can explore historical landmarks such as Llanddewi Hall and St David's Church, alongside natural landscapes like the Radnor Forest and its highest point, Great Rhos.
Last updated: May 22, 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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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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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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Llanddewi Ystradenny offers several historical sites. You can explore Llanddewi Hall, a Grade II* listed building from around 1575, known for its 16th-century stonework and Tudor woodwork. Also, visit St David's Church, which, despite being rebuilt in 1890, retains historical elements like a Romanesque priest's door and 14th-century font. The remains of Buddugre Castle, a motte and bailey fortification, also overlook the Afon Ithon within the community.
For stunning natural scenery and viewpoints, consider visiting Water-Break-Its-Neck Waterfall, which creates a humid micro-climate in its lush green gorge. Another excellent spot is The Whimble, a viewpoint with a striking conical shape offering expansive views. The Radnor Forest also features several mountain summits like Great Rhos (Rhos Fawr), the highest point in historic Radnorshire, and Bache Hill Summit, marked by a trig point on an ancient burial mound.
Yes, there are several family-friendly options. The Water-Break-Its-Neck Waterfall has both high and low paths, making it accessible for families. Further afield, the National Cycle Museum in Llandrindod Wells is suitable for all ages, and Gigrin Farm in Rhayader is famous for its red kite feeding center. The Gilfach Nature Discovery Centre in Rhayader also offers parks and playgrounds.
The area around Llanddewi Ystradenny is ideal for outdoor enthusiasts. You can find numerous hiking opportunities, including routes around the Radnor Forest and its summits. For detailed hiking routes, explore the Hiking around Llanddewi Ystradenny guide. Cycling is also popular, with options ranging from touring to road cycling; check out the Cycling around Llanddewi Ystradenny guide and the Road Cycling Routes around Llanddewi Ystradenny guide. Additionally, the Heart of Wales Riding School near Llandrindod Wells offers horse riding.
For a challenging hike with rewarding views, head to the Radnor Forest. You can ascend Great Rhos (Rhos Fawr), the highest point in the historic county of Radnorshire, which offers a prominent trig point on its broad, heathery plateau. Another option is Black Mixen Summit, a subsidiary of Great Rhos, known for its large peat bog plateau and cairn.
While Llanddewi Ystradenny itself is small, the surrounding region offers unique cultural sites. The National Cycle Museum in Llandrindod Wells provides insights into cycling history. In Presteigne, The Judges Lodging offers a glimpse into Victorian life. These provide a different perspective on the region's heritage.
Visitors particularly appreciate the blend of historical sites and natural beauty. The fine rainbow mist at Water-Break-Its-Neck Waterfall and the striking conical shape of The Whimble are frequently highlighted. The area's mountain summits, like Bache Hill Summit, are also popular for their views and historical significance.
The best time to visit Llanddewi Ystradenny for outdoor activities like hiking and cycling is generally during the spring, summer, and early autumn months (April to October). During these periods, the weather is typically milder and more stable, making conditions more favorable for exploring the Radnor Forest and its various trails. The lush greenery around Water-Break-Its-Neck Waterfall is also particularly vibrant in warmer months.
When visiting Water-Break-Its-Neck Waterfall, be aware that the fine rainbow mist creates a humid micro-climate in the gorge. There are both high and low paths available, allowing you to enjoy different viewpoints of the waterfall. Choose the path that best suits your mobility and desired perspective.
Yes, while the Radnor Forest offers challenging hikes, there are also easier options. For instance, some routes around Llandrindod Lake offer natural scenery and are generally considered easy. You can find more details on various difficulty grades, including easy walks, within the Hiking around Llanddewi Ystradenny guide.
The natural landscapes around Llanddewi Ystradenny, particularly the Radnor Forest, are home to various wildlife. Birdwatchers might spot species associated with moorland and forest environments. The nearby Gigrin Farm in Rhayader is specifically known for its red kite feeding center, offering a great opportunity to see these magnificent birds.
For those seeking more adventure, the Phil Price Rally School is located in the vicinity of Llanddewi Ystradenny. This offers a unique and thrilling experience for adventure seekers looking to try rally driving.


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