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United Kingdom
Wales
South Wales
Rhondda Cynon Taf

Tonyrefail

The 11 Most Amazing Peaks around Tonyrefail

Mountain peaks around Tonyrefail, located in South Wales, offer a diverse landscape for outdoor exploration. The region features a blend of natural beauty and historical significance, with peaks providing expansive views and insights into past industrial and ancient activities. Visitors can explore various summits and hills, many of which are characterized by their unique geological formations and cultural landmarks. This area provides opportunities for outdoor enthusiasts to discover the varied terrain of the Rhondda Cynon Taf County Borough.

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Last updated: June 20, 2026

Garth Summit

Highlight • Viewpoint

Stunning little hill with commanding views just outside Cardiff with a trig pointed summit. It is a UK listed Marilyn.

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Craig yr Allt

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Craig yr Allt is a hill in South Wales with an unmarked summit overlooking Caerphilly to the east and the villages of Nantgarw and Taff's Well to the west. The …

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Cefn Eglwysilan Trig Point

Highlight • Natural Monument

Cefn Eglwysilan is a hill in South Wales, the twin 1,253 feet (382 m) summits of which lie just over one mile (2 km) east of Pontypridd in Rhondda Cynon …

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Twyn Brynbychan Trig Point

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We walked miles. Up to the waterfall on Gillies trail, followed the path up onto the rocky and then to the trig point on Twyn Brynbychan, above the cynnon valleys. …

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Mynydd y Glyn Summit

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Mynydd y Glyn is a mountain in South Wales, between the towns of Pontypridd and Tonyrefail. It has a height above sea level of 377 metres.
It is the mountain …

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The glorious South Wales coastline by bike — Celtic Trail

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MTB Trails around Tonyrefail

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The glorious South Wales coastline by bike — Celtic Trail

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Katherine Moore

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Peter Turner
April 3, 2025, The Garth Summit

The Garth has a nice flat top with views across the valleys. Lots of sheep grazing too (March). Also a number of mounds provide some cover from the wind if a break is in order

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We walked miles. Up to the waterfall on Gillies trail, followed the path up onto the rocky and then to the trig point on Twyn Brynbychan, above the cynnon valleys. Enjoyed a breather on top, before trekking around the back forestry where you can see Aberfan and Merthyr Vale and headed over to the bronze age sight before descending down to Cwmaman and back to the car.

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Mynydd y Glyn is a mountain in South Wales, between the towns of Pontypridd and Tonyrefail. It has a height above sea level of 377 metres. It is the mountain which was used in The Englishman who went up a Hill and came down a Mountain in which Hugh Grant and Ian McNeice star as English cartographers. In the film the mountain is known as 'Ffynnon Garw'. It is a UK listed Marilyn.

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Cefn Eglwysilan is a hill in South Wales, the twin 1,253 feet (382 m) summits of which lie just over one mile (2 km) east of Pontypridd in Rhondda Cynon Taf county borough. Its eastern side lies within the community of Aber Valley in Caerphilly county borough. Like neighbouring Mynydd Eglwysilan, the hill is named after the hamlet of Eglwysilan, the church here being dedicated to an obscure saint Ilan. A wireless transmission station is sited on the more northerly of the two summits (at OS grid ref ST 099911). The southerly one is crowned by a trig point. It is a UK listed Marilyn.

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Stunning little hill with commanding views just outside Cardiff with a trig pointed summit. It is a UK listed Marilyn.

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David Howells
November 11, 2020, Craig Yr Allt

Craig yr Allt is a hill in South Wales with an unmarked summit overlooking Caerphilly to the east and the villages of Nantgarw and Taff's Well to the west. The Taff Ely Ridgeway Walk passes over the hill. It is a UK listed Marilyn.

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Beautiful little hill on the outskirts of Cardiff with a trig pointed summit and commanding views. Lovely place to catch a sunrise/set.

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Frequently Asked Questions

What are some of the most notable mountain peaks around Tonyrefail?

The region offers a variety of peaks with unique characteristics. Some popular choices include Garth Summit, known for its commanding views just outside Cardiff, and Craig yr Allt, a hill with an unmarked summit overlooking Caerphilly. Another significant peak is Mynydd y Glyn, which inspired the film "The Englishman who went up a Hill and came down a Mountain" and offers expansive views towards the Brecon Beacons and the sea.

Are there any mountain peaks with historical significance near Tonyrefail?

Yes, Mynydd Maendy is particularly rich in history, featuring an Iron Age Celtic hillfort on its summit, described as the largest undefended Iron Age/Romano-British settlement in southeast Wales. Mynydd y Glyn also reveals past industrial activity with reclaimed old quarries and coal tips.

What kind of views can I expect from the mountain peaks in the Tonyrefail area?

Many peaks offer stunning panoramic views. From Garth Summit, you can enjoy commanding vistas. Mynydd y Glyn provides expansive views that can stretch as far as the Brecon Beacons to the north and the sea to the south on a clear day. Cefn Eglwysilan Trig Point also offers great viewpoints over the surrounding valleys.

Are there family-friendly mountain walks around Tonyrefail?

Mynydd y Glyn offers generally gentle and circular walking routes, making it accessible for those seeking a less strenuous outdoor experience, which can be suitable for families. While specific 'family-friendly' categories aren't listed for all highlights, many trails in the area can be enjoyed by various fitness levels.

What unique natural or man-made features can I find on these peaks?

Mynydd Maendy is unique for hosting one of the country's first wind farms, with large turbines visible from a distance, creating a striking juxtaposition with its ancient Iron Age hillfort. Mynydd y Glyn is known for its relatively remote and wild qualities, alongside its historical industrial remnants.

What outdoor activities can I do near the mountain peaks around Tonyrefail?

Beyond hiking, the region offers various outdoor activities. You can explore mountain biking trails, with options ranging from easy to difficult, such as the "Aberfan Memorial Cairn – Barry Sidings Trail loop from Porth." For road cycling enthusiasts, routes like the "Rhigos Climb Viewpoint – Rhigos Climb from Treherbert loop from Dinas Rhondda" provide challenging rides. There are also numerous running trails, including the "Llantrisant Forest loop from Royal Mint." You can find more details on these activities in the MTB Trails around Tonyrefail, Road Cycling Routes around Tonyrefail, and Running Trails around Tonyrefail guides.

What do visitors enjoy most about the mountain peaks near Tonyrefail?

Visitors frequently praise the stunning views and the sense of escape these peaks offer. For instance, Garth Summit is loved for its commanding vistas and being a great spot for sunrises or sunsets. The diverse landscape, combining natural beauty with historical and industrial elements, also adds to the appeal.

Are there any challenging mountain trails or summits in the area?

Yes, some peaks offer more challenging experiences. Craig yr Allt is categorized as intermediate to challenging. While Mynydd y Glyn offers gentle routes, the overall terrain around Tonyrefail includes hills and summits that can provide a good workout for hikers seeking more strenuous climbs.

Can I find circular walks around the peaks near Tonyrefail?

Yes, Mynydd y Glyn is noted for having generally circular walking routes. Many other trails in the region, particularly those connecting various viewpoints and summits, can be combined to form circular walks, allowing you to return to your starting point.

What kind of wildlife might I encounter on the mountain peaks?

The smoothly rounded summit of Mynydd Maendy provides rough grazing for sheep, so you are likely to encounter livestock. The natural landscapes of the Rhondda Cynon Taf County Borough generally support various bird species and small mammals, though specific wildlife sightings can vary.

Is there a specific peak known for its trig point?

Yes, Cefn Eglwysilan Trig Point is crowned by a trig point on its southerly summit. Garth Summit also features a trig-pointed summit, making both popular destinations for those who enjoy reaching these markers.

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See even more amazing summits around Tonyrefail with these guides:

HirwaunTaffs WellPontypridd TownLlantwit FardreAbercynonYnysybwl And Coed-Y-CwmRhigosAberaman SouthAberdare WestMaerdyAberaman NorthLlantrisantPont-Y-ClunPen-Y-WaunTylorstownTreherbertLlwyn-Y-PiaPen-Y-GraigAberdare EastPentreTreorchyMountain Ash EastCymmerLlanharanTrehafodYnyshirTrealawMountain Ash WestFerndaleYstradCwm ClydachTonypandyPorthLlwydcoedPenrhiwceiberGilfach Goch

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