Best mountain peaks around Gilfach Goch offer a range of natural features and historical elements in South Wales. This former coal mining village is surrounded by hills and mountains that provide expansive views. The area's geology includes Carboniferous Period sandstone, and some peaks feature ancient earthworks and trig points. These peaks provide opportunities for exploring the natural landscape and local history.
Last updated: June 30, 2026
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Mynydd Caerau 555.3m 89.9 (1822ft) TP5005 - Mynydd Caerau 11941 Welsh Dewey and Dodd summit Welsh Trig Pillar
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Twyn Crugyrafan (Graig Fawr) 559m P36 (1834ft) TP7409 - Crug Yr Afan S1596 Welsh Dewey and Dodd summit Welsh Trig Pillar
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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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Werfa is the highest point in Bridgend and is located just off the A4107 a few miles east of Cymmer.
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The region around Gilfach Goch offers several distinct mountain peaks. Cefn Eglwysilan Trig Point features twin summits with panoramic views and historical earthworks. Mynydd y Glyn Summit is famous as the inspiration for the film *The Englishman Who Went Up a Hill But Came Down a Mountain*. Additionally, Werfa (Mynydd Llangeinwyr) stands as the highest point in Bridgend, offering a significant climb to a Welsh Dewey and Dodd summit.
From peaks like Cefn Eglwysilan, you can enjoy expansive panoramic vistas of the surrounding South Wales Valleys. Mynydd y Glyn also provides broad views that, on a clear day, can stretch north to the Brecon Beacons and south towards the sea.
Yes, Cefn Eglwysilan is particularly rich in history. Its eastern side features the Senghenydd Dyke, a 13th-century linear earthwork believed to have marked the boundary of a deer park associated with Caerphilly Castle. You can also find smaller earthworks and ancient stone piles, known as cairns, including Garnedd Lwyd and Garneddi Llwydion, on the hill.
The hills and mountains around Gilfach Goch, such as Cefn Eglwysilan, are primarily composed of Hughes Sandstone, which formed during the Carboniferous Period millions of years ago. This sandstone sits atop underlying layers of siltstone and mudstone, contributing to the distinctive landscape of the South Wales Valleys.
Many of the peaks in the area, including Cefn Eglwysilan and Mynydd y Glyn, offer broad and easy-to-follow footpaths. The ascent to their summits is often described as relatively gentle, making them accessible for walkers seeking a less strenuous experience.
The area around Gilfach Goch is excellent for various outdoor activities. You can find numerous hiking trails, including moderate routes like 'St Peter’s Church Ruins – View of Fforch Nest Wind Farm loop from Gilfach Goch' or more challenging ones such as 'Carn Fawr Bronze Age Monument – Cwm Clydach Countryside Park loop from Dinas Rhondda'. For more details on hiking, visit our Hiking around Gilfach Goch guide. There are also options for mountain biking and road cycling, with routes like 'View of Fforch Nest Wind Farm – Smilog Trails loop from Tonyrefail' for MTB and 'Rhigos Climb Viewpoint – Rhigos Climb from Treherbert loop from Dinas Rhondda' for road cycling. Explore these in our MTB Trails around Gilfach Goch and Road Cycling Routes around Gilfach Goch guides.
Mynydd y Glyn Summit gained fame as the inspiration for "Ffynnon Garw," the fictional mountain featured in the film *The Englishman Who Went Up a Hill But Came Down a Mountain*, starring Hugh Grant. Visitors can experience the landscape that inspired this well-known story.
Yes, other notable summits include Werfa (Mynydd Llangeinwyr), which is the highest point in Bridgend at 568 meters. You can also explore Twyn Crugyrafan (Graig Fawr) Summit and Mynydd Caerau Summit, both offering Welsh Dewey and Dodd summits with trig pillars.
Mynydd y Glyn offers a unique blend of natural beauty and cultural significance. Beyond its film inspiration, the walk to the summit features expansive views and unique modern cairns built into a stone wall, sometimes described as resembling "Daleks." Despite its central location, it can feel surprisingly isolated due to limited road access, adding to its wilder charm.
While specific seasonal recommendations depend on personal preference and weather conditions, the broad and easy-to-follow footpaths on peaks like Cefn Eglwysilan make them accessible for much of the year. Clear days, particularly in spring and autumn, often provide the best visibility for enjoying the panoramic views. Always check local weather forecasts before heading out.
Visitors frequently appreciate the combination of natural scenery and intriguing historical and cultural elements. The panoramic views from trig points, the accessible footpaths, and the unique stories associated with peaks like Mynydd y Glyn and Cefn Eglwysilan are often highlighted as key attractions.


See even more amazing summits around Gilfach Goch with these guides: