Best mountain peaks around Llantrisant offer a diverse landscape of hills and mountains in South Wales. This historic hilltop town is surrounded by prominent peaks and hills, providing various features for exploration. The region is characterized by its natural beauty, historical sites, and opportunities for outdoor activities. Visitors can find a mix of elevated viewpoints, ancient landmarks, and natural reserves.
Last updated: July 3, 2026
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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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Caerphilly Mountain is located in the Vale of Glamorgan in Caerphilly and stands at 271 m above sea level. There are some magnificent panoramic views on offer here across Cardiff and Caerphilly, Feet, and on a sunny day, even over to Flat Home and Steep Home Islands, a pair of welsh islands lying in the Bristol Channel.
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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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Great little view point with a nearby cafe and large car park. Top spot.
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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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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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For expansive panoramic views, Garth Summit is highly recommended. On a clear day, you can see across Cardiff, the Taff Valley, and even as far as Weston-super-Mare and the Brecon Beacons. Another excellent spot is Caerphilly Mountain Summit, which provides magnificent vistas across Cardiff and Caerphilly, with visibility extending to Flat Holm and Steep Holm Islands in the Bristol Channel.
Yes, several peaks offer a rich historical context. Garth Hill features several Bronze Age burial mounds on its summit. Mynydd y Gaer is notable for its Iron Age hillfort and Bronze Age burial mounds, including one reputed to be the resting place of the Welsh leader Caradoc. Additionally, Llantrisant Common and Pastures offers historical insights into the town's defensive past during its medium-difficulty circular walk.
The area around Llantrisant's peaks offers a variety of outdoor activities. You can find numerous hiking trails, from easy walks to more challenging routes. For cyclists, there are dedicated road cycling routes and gravel biking options. Hikers can explore easy hikes like the Smilog Trails or more varied terrain in Llantrisant Forest.
Llantrisant Common and Pastures is a Site of Special Scientific Interest (SSSI), recognized for its extensive acidic marshy grassland, species-rich neutral grassland, and rare plants like Cornish moneywort. It's an excellent location for nature enthusiasts to observe diverse wildlife and flora. Llantrisant Forest also provides peaceful woodland trails and opportunities for river crossings.
Yes, there are circular walking options. A circular route allows for an enjoyable climb and walk across Caerphilly Mountain. Additionally, Llantrisant Common and Pastures offers a medium-difficulty circular walk directly from Llantrisant town, providing both natural beauty and historical context.
Garth Hill is a popular hiking and walking destination due to its accessibility and the stunning 360-degree panoramic views from its 307-meter summit. It was also famously the inspiration for the film 'The Englishman Who Went Up a Hill But Came Down a Mountain,' adding a unique cultural appeal. The summit also features several Bronze Age burial mounds.
Yes, some peaks offer challenging routes. While Garth Hill has various routes, some can be quite challenging. Craig yr Allt is also categorized as an intermediate to challenging trail, offering a good workout for experienced hikers. The nearby gravel biking routes also include difficult options for those seeking a strenuous adventure.
Both Garth Hill and Mynydd y Glyn have connections to the film 'The Englishman Who Went Up a Hill But Came Down a Mountain.' Garth Hill was the inspiration for the film, while Mynydd y Glyn gained fame for being the mountain depicted as 'Ffynnon Garw' in the movie.
Llantrisant Forest offers peaceful woodland trails and splendid views from its higher points, such as Mynydd Garth Maelwg and Mynydd Meiros. A unique cultural element within the forest are the Caer Rocks, locally known as the Cariad Stones, an outcrop with a Welsh inscription meaning 'God is Love' visible from below. It's ideal for those seeking varied terrain and scenic overlooks.
Yes, Mynydd y Gaer is part of the Ogwr Ridgeway Walk, with public footpaths providing open access to its upper parts. Additionally, the Taff Ely Ridgeway Walk passes over Craig yr Allt, connecting it to a broader network of trails.
Cefn Eglwysilan is a hill with twin summits, located just over a mile east of Pontypridd. The southerly summit is marked by a trig point, and it is a UK listed Marilyn. It offers opportunities for hillwalking and enjoying the South Wales landscape, making it a point of interest for peak baggers.


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