Best mountain passes around Llantysilio offer routes through a region characterized by its prominent geographic features, including Llantysilio Mountain and Cyrn-y-Brain. The area is known for the Horseshoe Pass, also called Bwlch yr Oernant, which connects Llandegla to Llangollen. This pass ascends to nearly 417 meters, providing views of the surrounding landscape. The region's natural beauty and accessible routes make it a notable destination for outdoor activities.
Last updated: May 19, 2026
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Be prepared for a good hour's hike-a-bike over football-sized gravel, with parts submerged under deep pools even on a dry day in July. It's called rough stuff for a reason :)
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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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The Horseshoe Pass (Bwlch yr Oernant) is renowned for its magnificent panoramic views of the valley and surrounding mountains. It's a rewarding challenge for cyclists, featuring a 6 km climb with an average gradient of 5%, and offers numerous laybys and picnic areas for visitors to enjoy the scenery. At its highest point, the Ponderosa Café provides refreshments alongside amazing vistas.
Yes, the Wayfarer Memorial Traverse is a notable historical site. This intermediate mountain pass follows a traditional drovers track and features a memorial plaque at its summit, commemorating an early off-road cycling adventure from 1919. It's considered one of the earliest origins of 'rough stuff' cycling.
The Llantysilio area offers a range of challenges. For cyclists, the Horseshoe Pass (Bwlch yr Oernant) presents a significant climb with a 5% average gradient over 6 km. For off-road enthusiasts, the Wayfarer Pass — Off‑Road Section is particularly challenging, often requiring hike-a-bike sections over football-sized gravel and potentially deep pools, even in dry weather.
For those seeking a less rugged experience, the Wayfarer Eastern Approach is an intermediate trail and mountain pass. It's described as a relatively smooth double track that winds its way up towards the col, forming part of the classic Wayfarer route.
Beyond exploring the passes themselves, the Llantysilio region offers various outdoor activities. You can find numerous hiking trails, including routes like the Llangollen History Trail or loops around Moel Morfydd. There are also running trails and road cycling routes, such as a challenging loop of the Berwyn Hills from Llangollen.
Yes, at the highest point of the Horseshoe Pass, you'll find the Ponderosa Café, which offers refreshments and stunning views. Additionally, the pass itself has numerous laybys and picnic areas where visitors can stop and take in the scenery.
The mountain passes around Llantysilio offer spectacular views. The Horseshoe Pass provides panoramic vistas of a stunning valley and the surrounding mountains, with the road sweeping in a distinctive horseshoe shape. From higher points like Llantysilio Mountain and Cyrn-y-Brain, you can enjoy fine views over the entire area, including old quarries.
Absolutely. The Horseshoe Pass is an excellent base for walking. Visitors can climb nearby peaks such as Llantysilio Mountain and Cyrn-y-Brain. There are also walking routes that traverse Llantysilio Mountain, offering views over the area and glimpses of old quarries and remnants of a winching station.
The mountain passes are beautiful year-round, but for the most comfortable cycling and walking conditions, spring through autumn is generally ideal. During these seasons, the full beauty of the landscape is revealed, and the weather is typically more favorable. Winter can offer dramatic scenery but may present challenging conditions, especially on higher or off-road sections.
Due to the region's proximity to the Clwydian Range and its natural landscape, it's common to spot sheep grazing on the hillsides around the mountain passes, particularly near the Horseshoe Pass. The diverse terrain also supports various bird species and other local wildlife.
The Horseshoe Pass connects Llandegla to Llangollen. While specific public transport routes directly to the highest points of the passes might be limited, Llangollen is a well-connected town. It's advisable to check local bus services from Llangollen or nearby towns for routes that may pass close to the base of the passes or offer connections to trailheads.
While some passes like the Horseshoe Pass offer challenging climbs, the area also provides options for varying skill levels. The panoramic views and picnic areas along the Horseshoe Pass can be enjoyed by families. For walking, there are easier hiking routes in the wider Llantysilio area, such as the Llangollen History Trail, which is rated as easy.


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