Best mountain peaks around Rhigos offer a diverse landscape characterized by significant geological features and panoramic views. The area is dominated by Craig y Llyn, also known as Rhigos Mountain, which is the highest point in Glamorgan and Neath Port Talbot, reaching an elevation of 600 meters. This region features a glacial cirque, U-shaped valleys, and glacial lakes, including Llyn Fawr and Llyn Fach, which are the southernmost glacial tarns in Great Britain. From its viewpoints, visitors can observe the Vale of Neath, the Cynon Valley, and the Brecon Beacons.
Last updated: May 6, 2026
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Cribarth or otherwise known as the sleeping giant as it resembles a sleeping giant.
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Sorry but this is not the summit of Cefn Cilsanws it’s way further north.
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Known as The sleeping giant The summit lies on the broken ridge at an elevation of 428 m. To its west is a 426-metre-high (1,398 ft) rounded top at SN 829144 which lies just to the northwest of a mile-long ridge that forms the main bulk of the hill. The ridge attains a height of 423 m (1,388 ft) at its southwest end and this spot is marked by a trig point
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I approached to realise the trig point for surprise as I’d made a Bee line for the giants head!! Absolutely stunning hike!!
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Moel Penderyn 371m ⛰️ Moel Penderyn is on the edge of Penderyn village, located in the Brecon Beacons National Park county borough of Rhondda Cynon Taff, South Wales. It also appeared to be named as 'Y Foel Penderyn' on older maps. With a summit elevation of only 371m in height, Moel Penderyn is marked by a bright, vivid, beautiful Dragonised trig point!!❤️👌
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The Beautiful Cefn Cil Sanws is a 'hill' in the Brecon Beacons National Park within the county borough of Merthyr Tydfil in south Wales. The summit at 460m above sea level is crowned by a trig point. The steep cliffs of Darren Fawr and Darren Fach defend its western side which drops down into Cwm Taf. A major limestone quarry is worked on the southeastern side of the hill. An unexpected feature at this altitude is Merthyr Tydfil Golf Course which extends high onto the eastern and southern slopes of the hill. The hill is composed of a layer cake of rocks of Carboniferous age all tilted moderately to the south. The summit is formed from Carboniferous Limestone whilst outcrops of Twrch Sandstone formerly known as the Basal Grit of the Millstone can be seen to the north and on its steep western flanks. The latter show evidence of glacial striations suggesting that the hill was over-ridden by ice moving southwards from the central Beacons during the ice ages.
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Try and visit in good weather. The panoramic views are breathtaking.
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Cefn Cil Sanws is a hill in the Brecon Beacons National Park within the county borough of Merthyr Tydfil in south Wales. The summit at 460m above sea level is crowned by a trig point. The steep cliffs of Darren Fawr and Darren Fach defend its western side which drops down into Cwm Taf. Length - 2.5 miles Difficulty – Leisurely Free Parking Merthyr Tydfil Golf Club, Cefn-coed-y-cymmer, Merthyr Tydfil CF48 2NT
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The region is dominated by Craig y Llyn, also known as Rhigos Mountain, which is the highest point in Glamorgan and Neath Port Talbot. Other significant peaks include Cribarth Summit (The Sleeping Giant), known for its panoramic views, and Hirfynydd Trig Point, which features the ancient Roman road Sarn Helen along its ridge.
The area boasts a diverse landscape shaped by glacial activity. You'll find a glacial cirque, U-shaped valleys, and glacial lakes such as Llyn Fawr and Llyn Fach, which are the southernmost glacial tarns in Great Britain. From various viewpoints, you can enjoy panoramic vistas over the Vale of Neath, the Cynon Valley, and the distant Brecon Beacons.
While many trails offer intermediate challenges, various footpaths cross the hills and lakes around Rhigos, providing options for different abilities. For example, the Cefn Cil Sanws Summit offers a leisurely 2.5-mile walk with free parking, making it a good option for families.
Visiting on a clear day is ideal for enjoying the panoramic views. The area is also known for excellent thermal conditions, making it popular for gliding and paragliding. For stargazing, the Hendre Mynydd Car Park on Rhigos Mountain is a designated Dark Sky Discovery Site, offering crystal-clear night skies, especially outside of summer months.
You can find parking at the Rhigos Mountain Viewpoint car park, which offers fine views over the Vale of Neath and the Cynon Valley. The Hendre Mynydd Car Park on Rhigos Mountain is another option, particularly if you're interested in stargazing. For Cefn Cil Sanws Summit, free parking is available near Merthyr Tydfil Golf Club.
Beyond hiking, the Rhigos mountain area is popular for cycling, with routes like the challenging climb up Rhigos Mountain itself. Gliding and paragliding are also common due to favorable thermal conditions. The area is also close to Waterfall Country, offering beautiful waterfall hikes, and the Zip World Tower site for thrill-seeking experiences. You can find more cycling routes in the Road Cycling Routes around Rhigos guide and Cycling around Rhigos guide, and hiking routes in the Waterfall hikes around Rhigos guide.
For moderate hiking, consider exploring the footpaths around Craig y Llyn. The Cribarth Summit (The Sleeping Giant) offers an intermediate hike with breathtaking panoramic views. Additionally, the Waterfall hikes around Rhigos guide lists several moderate routes, such as the Elidir Trail to the Upper Gushing Falls.
Craig y Llyn is significant as the highest point in the traditional county of Glamorgan and the South Wales Valleys, reaching 600 meters. Its summit also marks the highest point in Neath Port Talbot. It features a unique glacial landscape with two glacial lakes, Llyn Fawr and Llyn Fach, which are the southernmost glacial tarns in Great Britain. Parts of the surrounding landscape are also designated Sites of Special Scientific Interest due to their ecological importance.
Yes, the Hendre Mynydd Car Park on Rhigos Mountain is designated as a Dark Sky Discovery Site. It boasts a 'Milky Way Class' rating, meaning you can often see the Milky Way with the naked eye under clear conditions, making it an excellent spot for stargazing.
Absolutely. Hirfynydd Trig Point is notable for the ancient Roman road Sarn Helen running along its entire ridge. Moel Penderyn Trig Point is located within a biological and geological Site of Special Scientific Interest. The entire Craig y Llyn area showcases significant glacial geology, including its cirque and U-shaped valleys.
Visitors frequently praise the breathtaking panoramic views from peaks like Cribarth Summit and the Rhigos Mountain Viewpoint. The unique glacial landscape, the challenging yet scenic cycling routes, and the opportunity for stargazing at the Dark Sky Discovery Site are also highly appreciated.


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