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United Kingdom
Wales
North Wales
Gwynedd

Bala

Top 6 Mountain Passes around Bala

Mountain passes around Bala are situated in Snowdonia National Park, offering access to the Aran, Arenig, and Berwyn mountain ranges. This region provides diverse landscapes for outdoor activities. The passes are known for their varied terrain, from steep climbs to expansive moorland views. The area's geology, shaped by glaciation, contributes to its distinct natural features.

Best mountain passes around Bala

  • The most popular mountain passes is Hirnant Pass Climb from Rhiwargor, a viewpoint that features a 4 km climb…

Last updated: May 3, 2026

Hirnant Pass Climb from Rhiwargor

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There is more climbing on this side of the Hirnant climb starting from Lake Vyrnwy. The 4km climb can be divided into four sections - the first 1km steeply beyond …

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Hirnant Pass Climb (Rhosygwaliau Side)

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Just under 2km in length, this climb averages 8% but towards the top ratchets up to well over 10% to maximise the suffering

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Bwlch y Safan Pass

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This is the B4391 that travels over the Berwyns, from Bala in the north to Llangynog in the south. The northern half of the route is also the border of Snowdonia national Park.
High point of 486m so great views.

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Bwlch-y-Groes Climb from Llanuwchllyn

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8km at a 4% average gradient.... however, there are much steeper sections upwards of 13% through the trees and past the stone wall. Strava segment is called 'Llanwchllyn'.

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Gwynedd–Powys Border

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Take care when descending, it’s easy to get carried away & miss seeing some loose surfaces!!

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Lol Pro And Her Dog 🇬🇧 🐕🌻
June 24, 2024, Bwlch-y-Groes Climb from Llanuwchllyn

Amazing section of road with amazing views of the mountains around you

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Road most of the time is good but sometimes you get some loose gravel or slate. It the most beautiful place to ride with some challenging climbs

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51m
August 16, 2022, Bwlch y Safan Pass

This is the B4391 that travels over the Berwyns, from Bala in the north to Llangynog in the south. The northern half of the route is also the border of Snowdonia national Park. High point of 486m so great views.

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Absolutely stunning scenery, worth the occasional hike-a-bike up steep gradients.

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Awesome road climb, with a nasty little surprise kick up at the top.

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Epic road climb. There's a nasty little kick up at the top!!

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Take care when descending, it’s easy to get carried away & miss seeing some loose surfaces!!

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stream bridge climb and surrounding hills...

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Frequently Asked Questions

What are some of the most popular mountain passes around Bala?

The Bala region offers several notable mountain passes. Among the most popular are Hirnant Pass Climb from Rhiwargor, known for its challenging 4 km ascent, and Bwlch y Safan Pass, which provides expansive views across the Berwyn Mountains. Another challenging option is Hirnant Pass Climb (Rhosygwaliau Side), featuring steep gradients over 2 km.

What kind of terrain can I expect on mountain passes near Bala?

The mountain passes around Bala feature diverse terrain. You'll encounter steep inclines and winding roads, particularly on passes like Bwlch y Groes and Hirnant Pass. Some sections, such as the Gwynedd–Powys Border climb, may have loose gravel or slate. The landscape often transitions from forested areas to open moorland, offering varied riding and hiking experiences.

Are there challenging cycling routes over the mountain passes in Bala?

Yes, the mountain passes around Bala are renowned for their challenging cycling routes. Bwlch y Groes is particularly iconic and features prominently in '100 Greatest Climbs' lists, offering steep inclines from three directions. Hirnant Pass is another favorite among cyclists, with strenuous sections like the climb from Rhiwargor. These passes are ideal for road cyclists seeking demanding ascents and epic rides.

What outdoor activities can I do near these mountain passes?

Beyond driving and cycling the passes, the region offers extensive opportunities for outdoor activities. You can find numerous road cycling routes, including challenging loops like the 'Bwlch y Groes – Bala Lake loop from Bala'. For touring cyclists, there are routes like 'Bwlch y Safan to Llyn Efyrnwy / Lake Vyrnwy loop from Bala'. Hiking is also popular, with trails leading into the Aran, Arenig, and Berwyn mountain ranges. You can explore various routes, including easy hikes around Bala Lake. For more details on cycling routes, visit the Road Cycling Routes around Bala guide or the Cycling around Bala guide. For hiking, check out the Easy hikes around Bala guide.

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

The mountain passes around Bala offer panoramic views of the Snowdonia landscape, including lakes, forests, and the distinct profiles of the Aran, Arenig, and Berwyn mountain ranges. The geology, shaped by glaciation, contributes to these dramatic vistas. Specific viewpoints include the high point of Bwlch y Safan Pass at 486 meters, offering expansive views across the Berwyns. Keep an eye out for Red Kites in this area.

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

The mountain passes around Bala offer beauty throughout the seasons. While the barren landscape transforms with seasonal changes, spring and summer generally provide the most favorable weather for cycling and hiking. Autumn brings vibrant colors to the landscape. Winter conditions can make some passes challenging due to snow or ice, particularly for cycling, so it's essential to check local weather and road conditions before visiting during colder months.

Are there any specific tips for navigating the Hirnant Pass?

Hirnant Pass is known for its challenging climbs. If approaching from Rhiwargor, the 4 km climb has varying gradients, with the first kilometer being steep, followed by a brief respite, then another difficult section through the forest before easing towards the summit. From the Rhosygwaliau side, the climb is just under 2 km, averaging 8% with sections exceeding 10%. Cyclists often note a 'nasty little kick' at the top of both ascents. Always be prepared for strenuous effort and enjoy the stunning landscapes.

What makes Bwlch y Safan Pass a recommended scenic drive?

Bwlch y Safan Pass, part of the B4391 road, is highly recommended for scenic drives due to its smooth surface, minimal traffic, and dramatic twists and turns. It reaches a high point of 486 meters, offering expansive views across empty moorland and the Berwyn Mountains. The northern section of this route borders Snowdonia National Park, adding to its picturesque appeal. It's also a good spot to look for Red Kites.

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

Visitors frequently praise the breathtaking views and the challenging yet rewarding experiences offered by the mountain passes around Bala. Cyclists particularly appreciate the epic climbs and quiet roads, while drivers enjoy exploring off-the-beaten-track routes with panoramic vistas. The serene beauty of North Wales, combined with the diverse landscapes of the Aran, Arenig, and Berwyn mountain ranges, makes these passes a memorable destination for outdoor enthusiasts.

Are there any specific challenges or considerations when traversing the Gwynedd–Powys Border mountain pass?

The Gwynedd–Powys Border climb is considered challenging. While the road is generally good, there can be loose gravel or slate, especially during descents. It's important to take care and be mindful of these surfaces to ensure a safe ride. Despite these challenges, many find it to be a beautiful place to ride, offering a rewarding experience for those prepared for the conditions.

Where can I find more information about the Bala area and its attractions?

For more information about Bala and its surrounding attractions, including the Welsh Lake District, you can visit the official tourism websites. These resources often provide details on local events, accommodation, and other points of interest in the region. You can find more details at visitbala.org.uk and specifically about the area at visitbala.org.uk/about-the-area/the-welsh-lake-district/.

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

BeddgelertSnowdoniaLlanberisLlanllechidBetws GarmonLlandygaiMawddwyBrithdir And LlanfachrethFfestiniogLlanfrothenLlanddeiniolenLlangywerDolgellauLlanelltydLlandderfelLlanuwchllynLlanfihangel-Y-PennantArthogLlanycilWaunfawrLlanllyfniCorrisDolbenmaenGanllwydTrawsfynyddAberMaentwrogTalsarnauBarmouthDyffryn ArdudwyBethesdaLlanwndaLlandwrogLlanrug

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