Mountain passes around Corwen provide access to North Wales' dramatic landscapes, featuring routes through Denbighshire and the Berwyn Mountains. The region is characterized by its winding roads, challenging climbs, and panoramic views. Corwen serves as a central point for exploring these diverse mountainous terrains, including areas bordering Snowdonia National Park.
Last updated: July 1, 2026
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Horseshoe pass (Bwlch yr Oernant) is a 4 mile climb in North Wales near Wrexham, averaging 5% – climbing 311 metres to finish at 1,200 ft (404m). It’s a challenging hill climb, with a few steeper sections of up to 12%, but generally, it feels quite a steady gradient. On a good day, it provides a beautiful backdrop for a hill climb. The Horseshoe Pass is a mountain pass in Denbighshire, north-east Wales. It separates Llantysilio Mountain to the west from the 565 metre mountain and Marilyn Cyrn-y-Brain to the east. The A542 road from Llandegla to Llangollen runs through the pass, reaching a maximum height of 417 metres.
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Horseshoe pass (Bwlch yr Oernant) is a 4 mile climb in North Wales near Wrexham, averaging 5% – climbing 311 metres to finish at 1,200 ft (404m). It’s a challenging hill climb, with a few steeper sections of up to 12%, but generally, it feels quite a steady gradient. On a good day, it provides a beautiful backdrop for a hill climb.
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The Horseshoe Pass (Welsh: Bwlch yr Oernant, "Pass of the Cold Stream") is a mountain pass in Denbighshire, north-east Wales. It separates Llantysilio Mountain to the west from the 565 metre (1,854 feet) mountain and Marilyn Cyrn-y-Brain to the east. The A542 road from Llandegla to Llangollen runs through the pass, reaching a maximum height of 417 metres (1,368 ft). The road travels in a horseshoe shape around the sides of a valley, giving the pass its English name. In 2022, a proposal for a 40 mph speed limit on the Horseshoe Pass was approved after a lengthy campaign by Llangollen's county councillors.
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The Horseshoe Pass (Welsh: Bwlch yr Oernant, "Pass of the Cold Stream") is a mountain pass in Denbighshire, north-east Wales. It separates Llantysilio Mountain to the west from the 565 metre (1,854 feet) mountain and Marilyn Cyrn-y-Brain to the east. The A542 road from Llandegla to Llangollen runs through the pass, reaching a maximum height of 417 metres (1,368 ft). The road travels in a horseshoe shape around the sides of a valley, giving the pass its English name. In 2022, a proposal for a 40 mph speed limit on the Horseshoe Pass was approved after a lengthy campaign by Llangollen's county councillors.
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For cyclists seeking a challenge, the Horseshoe Pass (Bwlch yr Oernant) is a prominent choice, featuring a 4-mile climb with an average gradient of 5% and sections up to 12%. Further west, Bwlch y Groes (Pass of the Cross) is Wales' highest tarmacked pass, known for its extreme steepness and historically used as a testing ground for vehicles.
Yes, the Wayfarer Memorial Traverse is a significant historical route. It follows a historic drovers' track over the Berwyn range and is associated with early off-road cycling, with a memorial plaque at its summit. Bwlch y Groes also has historical significance as a pilgrim route and a testing ground for early motor vehicles.
The mountain passes offer magnificent views of the surrounding valleys and mountains. From Horseshoe Pass, you can see the distinctive horseshoe shape of the road winding through the valley. Bwlch y Safan Pass provides excellent views of the rugged Berwyn Mountains, and the A5 route towards Ogwen Valley offers dramatic peaks like Tryfan and the Glyderau.
Yes, at the highest point of the Horseshoe Pass, you'll find the Ponderosa Café, which offers refreshments and panoramic vistas, making it a popular stop for visitors.
The area around Corwen's mountain passes is ideal for various outdoor activities. You can find numerous cycling routes, including challenging climbs and gravel biking trails like the Wayfarer Eastern Approach. There are also many hiking opportunities, from easy walks to more strenuous trails in the Berwyn Mountains. For more details, explore the cycling and hiking guides for Corwen.
While some passes are challenging, there are easier walking routes in the broader Corwen area. For example, the Easy hikes around Corwen guide lists routes like the Llangollen History Trail or the Horseshoe Falls loop, which are suitable for less strenuous outings and families.
The best time to visit is generally during the spring, summer, and early autumn months (April to October) when the weather is milder and more predictable. This allows for better visibility of the panoramic views and more comfortable conditions for cycling and hiking. Always check local weather forecasts before heading out, as mountain weather can change rapidly.
The northern section of the Bwlch y Safan Pass, part of the B4391 road, forms a section of the border of Snowdonia National Park, offering views of its wild landscapes.
When visiting the mountain passes, it's advisable to pack layers of clothing suitable for varying weather conditions, even in summer. Waterproof and windproof outer layers are recommended. Sturdy walking or cycling shoes, a map or GPS device, water, snacks, and sun protection are also essential. For longer hikes, consider a first-aid kit and emergency supplies.
Yes, the area is popular for gravel biking. The Wayfarer Memorial Traverse and its associated sections like the Wayfarer Eastern Approach are well-known for their gravel riding opportunities, though some sections can be rocky and wet. You can find more routes in the Gravel biking around Corwen guide.
Yes, for instance, a 40 mph speed limit was approved for the Horseshoe Pass (Bwlch yr Oernant) in 2022 after a local campaign. Always observe posted speed limits and drive carefully, especially on winding mountain roads.
The Berwyn Mountains, accessible via passes like Bwlch y Safan, are known for their rugged beauty, wild landscapes, and extensive walking trails. Corwen itself hosts an annual Walking Festival with guided walks in the Dee Valley and on the Berwyn Mountains, highlighting the area's appeal for hikers.


See even more epic mountain passes by checking out these guides around Corwen: