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United Kingdom
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Llanberis

Top 13 Mountain Passes around Llanberis

Best mountain passes around Llanberis are situated within Snowdonia National Park, offering access to mountainous landscapes. The area is characterized by rugged terrain, including towering cliffs and rocky crags. Notable passes like Llanberis Pass and Pen-y-Pass serve as gateways to major peaks and provide opportunities for various outdoor activities. This region is known for its dramatic scenery and as a hub for mountain exploration.

Best mountain passes around Llanberis

  • The most popular mountain passes is Cnicht Summit, a natural…

Last updated: May 13, 2026

Cnicht Summit

Highlight • Natural Monument

Nicknamed the Welsh Matterhorn, albeit 12,431 feet (3,789 m) lower than its Swiss counterpart, what Cnicht lacks in height it makes up in shapely attractiveness. It is a fantastically pointy, …

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Pen-y-Pass

Highlight • Parking

Right in the heart of northern Eryri (Snowdonia), Pen-y-Pass is superbly located for adventures on the Yr Wyddfa (Snowdon) massif and the Glyderau. It is a popular starting point for …

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Bwlch Glas Pass

Highlight • Natural Monument

The finger stone at Bwlch Glas marks the point at which the Pyg and Miners' Tracks reach the summit ridge and join the Crib Goch, Ranger and Llanberis Paths. Particularly helpful in poor visibility.

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Bwlch Main Ridge

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The narrow ridge of the Bwlch Main (Narrow Pass) is the highlight of the route. Although the ridge is not difficult, it is still exposed with steep slopes on either …

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Telegraph Valley (Maesgwm)

Highlight (Segment) • Trail

Maesgwm is also known as Telegraph Valley. The trail is gravel and well-made, brilliant to ride and much quieter than the main Llanberis path. It makes a great loop from …

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Clive G
October 10, 2025, Bwlch Main Ridge

The Bwlch Main (south west ridge) is a great way to descend from the summit of Snowdon, particularly on a winter's day. Great views all the way to the Irish Sea

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🥾Bwlch Main (Welsh: “narrow pass”) is the exposed ridge that connects the upper slopes of the Rhyd Ddu Path to the Snowdon summit. A narrow crest with steep drops on either side, making it both dramatic and challenging. The ridge is roughly 500–600m long and feels like a true alpine section compared with the grassy and stony lower parts of the trail. 👥 Quiet & scenic: Unlike the “motorway” feel of the Llanberis Path, Bwlch Main gives a real mountain experience with the thrill of exposure. For experienced hikers seeking an exhilarating experience, it significantly quieter (albeit much easier) than Crib Goch. 👁️‍🗨️ On a clear day you can see the Nantlle Ridge, Moel Hebog, and across to the sea. Looking north, Llyn Cwellyn and the ridges rolling out towards Anglesey. ⚠️ Dramatic ridgeline section: The path to the top of Snowdon from this ridge includes the Llechog ridge, which provide exposure (drops, narrower path sections) the narrow section gets to only a couple of feet wide. You will need a good head for heights! And some boots with good grips for some looser rock or scree sections. Check the mountain forecast before heading out 🌬️ In high winds, the ridge can feel intimidating and unsafe. 🌧️❄️In ice, snow, or heavy rain, the narrow path and sloping rock become treacherous. 😶‍🌫️ Cloud / fog can reduce visibility and make it psychologically harder. To sum up: The Bwlch Main ridge is one of Snowdon’s most thrilling features. It adds a real sense of adventure to the Rhyd Ddu Path. On a good day, it’s a highlight: airy, beautiful, and memorable without being a true scramble. But in poor weather, it can turn from exhilarating to dangerous very quickly. For experienced walkers in fair conditions, it’s one of the most rewarding routes to the summit. For those with vertigo or less mountain experience, it may be better admired from afar.

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Clive G
August 14, 2025, Cnicht Summit

Rainbows on mountains tend to be a mixed blessing as they are a pretty sure sign that you are about to get wet! However from the photographers point of view they can also signal some great light, with sun mixed in with dark moody clouds. This was the view from near the summit of Cnicht - otherwise sometimes called the Welsh Matterhorn due to its pointy appearance from the village of Croesor. To the right of the picture is Moel Hebog which rises steeply above the pictuesque village of Beddgelert.

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Clive G
August 14, 2025, Cnicht Summit

A fine rocky and in places narrow ridge, and you will often have it all to yourself!

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Beautiful hike, too bad it was cloudy at the top. 12.3 km isn't the actual distance you'll be hiking: it's definitely 10 km more because you can't walk a straight line on this path. It's very busy on this trail; there's a queue to reach the top.

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Crazy hiking all the way up and then seeing a train pass you on the final section!

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Juliane
June 24, 2025, Pen-y-Pass

If you want to park here, you have to reserve a parking space in advance for 20 GBP. We didn't manage to do it, as everything was fully booked. You can then park in Llanberies and take the Sherpa Bus S1 or S2 to Pen y Pass. The bus runs every half hour. From Pen y Pass, you can then choose the Miner's Track or Pyg Track. Have fun!

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Bumble-Bee
June 23, 2025, Pen-y-Pass

Currently parking is pre-booking only! All others are directed to the P+R in the village and need to get up by bus or walk.

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Frequently Asked Questions

What are the most popular mountain passes around Llanberis for hiking?

For hikers, Pen-y-Pass is a highly popular starting point for routes up Snowdon, including the Miners' and Pyg Tracks. For a more adventurous experience, Bwlch Main Ridge offers an exposed ridge walk on the way to Snowdon's summit via the Rhyd Ddu Path. Bwlch Tryfan is ideal for experienced hikers and scramblers looking to tackle Tryfan or Glyder Fach.

Are there challenging mountain passes for experienced hikers near Llanberis?

Yes, several passes offer challenging experiences. Bwlch Main Ridge is known for its narrow, exposed sections with steep drops, requiring careful navigation. Bwlch Tryfan provides access to grade one scrambles like the South Ridge of Tryfan and the more demanding Bristly Ridge to Glyder Fach. The Llanberis Pass itself is a world-renowned destination for rock climbers, with crags like Dinas y Gromlech.

What natural features and viewpoints can I expect to see on these mountain passes?

The Llanberis Pass is characterized by rugged landscapes, towering cliffs, and rocky crags, with views of Llyn Padarn and the Afon Goch river. From Pen-y-Pass, you'll find stunning panoramic views of the surrounding peaks and valleys. Bwlch Tryfan offers fantastic vantage points to view the iconic Tryfan and the Glyderau mountains. The nearby Ogwen Valley also boasts dramatic geological features and the glacial Cwm Idwal.

What is the best time of year to visit the mountain passes around Llanberis?

The mountain passes are generally best visited during the warmer months, from late spring to early autumn, when weather conditions are more stable. However, the region's weather can be unpredictable, and exposed ridges like Bwlch Main Ridge can be particularly daunting in inclement or windy conditions. Always check the weather forecast before heading out, especially for higher elevations.

Are there family-friendly options among the mountain passes near Llanberis?

While many routes are challenging, Pen-y-Pass serves as a family-friendly hub. Although it's a starting point for challenging Snowdon routes, the area itself offers visitor facilities, and the lower sections of the Llanberis Pass can be explored for scenic drives and shorter walks suitable for families. The nearby village of Nant Peris also provides a tranquil base with picturesque valley walks.

Where can I park and access public transport for the mountain passes?

Pen-y-Pass has a car park, though pre-booking is often required due to high demand. A park-and-ride bus service (Sherpa bus network) connects Pen-y-Pass with Llanberis and other surrounding areas. Nant Peris also offers a park-and-ride facility, providing an alternative parking option for those heading towards Pen-y-Pass and Snowdon.

What historical significance do these mountain passes hold?

The road through the Llanberis Pass was built in the 1830s for transporting ore from Snowdon's mines. Pen-y-Pass has a rich mountaineering heritage; its former hotel, now a youth hostel, was famously used as a base by Sir John Hunt's team training for the 1953 Everest expedition, and was a haunt of George Mallory.

What outdoor activities can I do near these mountain passes besides hiking?

The area around Llanberis offers a variety of outdoor activities. You can explore gravel biking routes, tackle challenging MTB trails, or embark on more extensive mountain hikes. The Llanberis Pass is also renowned as one of the most iconic rock climbing valleys in the UK.

Are there places to eat or stay near the mountain passes?

Yes, Pen-y-Pass hosts a youth hostel with a bar and café. The nearby village of Nant Peris, situated at the bottom of the Llanberis Pass, has amenities such as the Vaynol Arms pub. Llanberis itself offers a wider range of accommodation and dining options.

What is Bwlch Glas Pass and why is it notable?

Bwlch Glas Pass is a significant mountain pass on Snowdon (Yr Wyddfa). It marks the point where several major routes to the summit converge, including the Pyg, Miners', Snowdon Ranger, and Llanberis Paths, as well as those coming over Crib Goch. It's a crucial navigational point, especially in poor visibility, and is well signposted.

What do visitors enjoy most about the mountain passes around Llanberis?

Visitors frequently praise the stunning natural beauty and dramatic scenery, with many highlighting the 'pointy, fin-like peak' of Cnicht Summit and the 'wonderful views' it offers. The accessibility to iconic mountains like Snowdon from points like Pen-y-Pass is also a major draw, along with the challenging and exhilarating experiences provided by exposed ridges and scrambles.

Most popular routes around Llanberis

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

SnowdoniaBeddgelertLlanllechidLlandygaiBetws GarmonFfestiniogLlanfrothenLlanddeiniolenMawddwyDolgellauLlanelltydBrithdir And LlanfachrethWaunfawrLlanllyfniLlangywerDolbenmaenArthogLlanfihangel-Y-PennantLlandderfelLlanuwchllynCorrisGanllwydTrawsfynyddLlanycilAberMaentwrogBalaTalsarnauBarmouthDyffryn ArdudwyLlandwrogLlanrugLlanwndaBethesda

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