Best mountain peaks around Blaenrheidol are found in the Cambrian Mountains of Mid Wales, an area known for its wild, open moorland. This region, located approximately 12 miles east of Aberystwyth, offers access to several notable mountain peaks. The landscape is characterized by its rugged terrain and serves as the source of major rivers like the Severn and the Wye. Visitors can explore a variety of summits, providing different perspectives of the surrounding natural environment.
Last updated: May 6, 2026
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Pumlumon Fawr, often referred to simply as Pumlumon, is the highest peak in the Cambrian Mountains of Wales, standing at 2,468 feet (752 meters) above sea level. It is located in the county of Ceredigion and is part of a range known for its rugged terrain and scenic beauty. The name "Pumlumon" translates to "five peaks" in Welsh, which refers to the five summits that make up the mountain. The area is popular with hikers and outdoor enthusiasts, offering a variety of trails that provide stunning views of the surrounding countryside, including lakes, valleys, and other mountain ranges. Pumlumon is also notable for its rich biodiversity and unique ecosystems. The region supports various wildlife, including rare plant species and birds. Additionally, the mountain is a source of several rivers, contributing to the hydrology of the region. Whether for hiking, nature watching, or simply enjoying the landscape, Pumlumon Fawr is a significant and cherished feature of the Welsh landscape.
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Wonderful view with several lakes and to the sea.
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The second highest summit in the Pumlumon range, Pen Pumlumon Arwystli lies just to the south of the source of the River Severn, the longest in the UK. It boasts a glorious panorama, with views as far as Southern Snowdonia's Aran Fawddwy on a clear day. The top is adorned by a trio of large cairns.
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Third highest summit in the Pumlumon range, Pen Pumlumon Llygad-bychan is perhaps most notable for its proximity to the source of the River Wye. To the north of the summit is the lovely pool of Llyn Llygad Rheidiol, while Pumlumon's principal summit is just a short walk along the Cambrian Way to the northeast. While the summit itself is not particularly distinguished and is known to be on the boggy side, it does offer lovely views across the Cambrian Mountains of Mid Wales.
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Pen Pumlumon Llygad-Bychan (727m, a Hewitt & Nuttall) is the third highest summit on the Plynlimon massif. The summit is boggy and marked by a few stones. The source of the River Wye, is just South of the summit. The picturesque glacial lake of Llyn Llygad Rheidiol lies to the North.
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Mike Peters of pop punk band The Alarm wrote one of his top tunes whilst doing this walk! Shine on you crazy miner
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Pen y Garn is a mountain in the Cambrian Mountains, Mid Wales standing at 2,005 feet (611 m) above sea level. Pen y Garn tops a 500–600 m high plateau, which includes the controversial Cefn Croes wind farm. The summit has a very large shelter cairn hollowed out from the remains of an ancient burial cairn and a trig point. It is a UK listed Nuttall.
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The Blaenrheidol area, nestled in the Cambrian Mountains, is home to several notable peaks. The most prominent is Pumlumon Fawr summit, the highest point in Mid Wales. Other significant peaks include Pen y Garn Summit Trig Point, known for its ancient burial cairn, and Pen Pumlumon Llygad-Bychan summit, which is close to the source of the River Wye.
Pumlumon Fawr summit is the highest point in the Cambrian Mountains, standing at 2,467 feet (752 m) above sea level. It offers breathtaking 360-degree views that, on a clear day, can extend to the Llŷn Peninsula, Snowdonia, the Brecon Beacons, and Pembrokeshire. It's also ecologically significant as the source of major rivers like the Severn and the Wye, providing a sense of solitude away from more crowded peaks.
Yes, the Pumlumon massif includes several other significant summits. These include Pen Pumlumon Arwystli (2,431 feet / 741 meters), the second highest, and Pen Pumlumon Llygad-Bychan (2,385 feet / 727 meters), the third highest. Other peaks in the group are Pumlumon Fach (2,192 feet / 668 meters), Pumlumon Cwmbiga (2,040 feet / 622 meters), and Y Garn (2,244 feet / 684 meters).
The Blaenrheidol mountains are characterized by wild, open moorland and rugged terrain. You'll encounter significant natural features such as the sources of major rivers like the Severn and the Wye. There are also picturesque lakes, including Llyn Llygad Rheidol, nestled in rugged scenery. The area is known for its rich biodiversity, including rare plant species and various birds, making it attractive for nature watching.
Hiking trails around Blaenrheidol's mountain peaks, particularly those leading to summits like Pumlumon Fawr, are generally considered moderately difficult to challenging. They often involve remote, less developed paths where navigation can be tricky, especially in mist. Hikers should be prepared for varied conditions and a sense of isolation.
The best time to visit the Cambrian Mountains for hiking is typically during the warmer, drier months, from late spring to early autumn (May to September). During this period, conditions are generally more favorable, offering clearer views and less challenging terrain. However, the weather in Mid Wales can be unpredictable, so always be prepared for sudden changes.
While many of the higher peaks like Pumlumon Fawr offer challenging hikes, there are options for easier, family-friendly walks in the broader Blaenrheidol area. These might include lower-level routes or sections of trails that don't involve significant elevation gain. Always check specific route details for suitability and consider the wild and remote nature of the region, which means facilities are minimal.
Many of the mountain trails in the Blaenrheidol area are dog-friendly, allowing you to explore with your canine companion. However, it's crucial to keep dogs under close control, especially in areas with livestock or ground-nesting birds, and to follow the Countryside Code. Be aware that facilities like water sources or waste bins may be limited due to the remote nature of the trails.
Beyond hiking, the area around Blaenrheidol offers a range of outdoor activities. You can explore various cycling opportunities, including mountain biking on trails like the 'Summit red trail' or 'Syfydrin black trail' at Bwlch Nant yr Arian, or gravel biking routes such as the 'Jubilee Arch – Wind Turbines Viewpoint loop'. Running trails are also available, including challenging routes like the 'Pumlumon Fawr summit loop'. For more details, refer to the MTB Trails around Blaenrheidol, Gravel biking around Blaenrheidol, and Running Trails around Blaenrheidol guides.
Given the varied conditions and remote nature of the Cambrian Mountains, it's essential to be well-prepared. Always wear appropriate hiking boots, waterproof and windproof layers, and carry extra warm clothing. Navigation can be tricky, so a map, compass, or GPS device is recommended. Bring sufficient water, snacks, and a first-aid kit. Mobile phone signal can be unreliable in some areas.
Yes, some peaks in the Blaenrheidol area feature ancient landmarks. For instance, Pen y Garn Summit Trig Point has a very large shelter cairn hollowed out from the remains of an ancient burial cairn. Pen Pumlumon Arwystli is adorned by a trio of large cairns at its summit.
Pen y Garn Summit Trig Point rises to 2,005 feet (611 meters) above sea level and is recognized as a UK-listed Nuttall, a category for mountains at least 2,000 feet high. Its summit features a large shelter cairn, which was hollowed out from the remains of an ancient burial cairn, adding a historical dimension to its natural beauty.


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