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United Kingdom
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North Wales
Gwynedd

Arthog

Top 8 Mountain Passes around Arthog

Best mountain passes around Arthog are located in Gwynedd, North Wales, a region characterized by its mountainous landscape. A mountain pass in this context is a navigable route through a mountain range or over a ridge, often representing a low point that allows access for travel. The area offers a variety of scenic routes, providing distinct experiences for exploration.

Best mountain passes around Arthog

  • The most popular mountain passes is Black Road Gravel Pass, a mountain pass that winds…

Last updated: May 3, 2026

Black Road Gravel Pass

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This pass is an exceptional ride, particularly when the skies are clear. This gravel trail curves around the western extreme of Cadair Idris, bringing you high above the coast to …

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In Aberllefenni, a small road starts that will keep you busy for the next hour. It leads you leisurely, later quite steeply up and up and offers you typical breathtaking …

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Awesome for all cyclists, watch out for the sheep though!

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Bwlch Oerddrws Pass

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Gap in southeastern Meirionnydd , Gwynedd , between Dolgellau and Dinas Mawddwy is a gap Oerddrws (or gap of Oerddrws ). It is crossed by the A470 highway lane . …

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Bwlch y Rhiwgyr

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This saddle lies just south west of Craig y Grut and offers fantastic views of both Snowdon and Cadair Idris. It's a steep but enjoyable hike from Barmouth or Tal-y-Bont …

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Popular around Arthog

O Fon i Fynwy — Exploring Wales on foot from top to bottom

Hike Wales’ silent giants — Southern Eryri (Snowdonia)

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O Fon i Fynwy — Exploring Wales on foot from top to bottom

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Simon
August 12, 2024, Ffordd Ddu Gravel Pass

Great mountain road, rideable on a gravel, comfortable on an MTB

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This is the first proper off-road section on Traws Eryri heading north. If you're riding an MTB with nice big tyres it's a blast, but if you're on a gravel bike, it's a long, picky descent.

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Heading south, this is a great, usually traffic-free descent. Heading north it's a hard climb with some 15%+ ramps especially towards the top.

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Heading south, once you're away from the main road this is a lovely steady climb with a few steep ramps. Look out for plane-spotters who hang-out at the top waiting for military aircraft doing the low-flying 'Mach Loop'.

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Samwise
December 1, 2022, Bwlch Oerddrws Pass

Easy parking stop to explore the Cloddfa Gwanas slate quarry & Cribin Fawr

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It's a long slog of a climb from the south - but don't despair the scenery is amazing, and well worthy of every pedal stroke.

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A superb gravel ride! Surface was quite loose at the north end, which was challenging on a loaded bike. The views across the estuary to Barmouth are simply breath-taking. And to top it all there's an epic descent towards Tywyn at the south end - be wary of the cattle grids!!

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Frequently Asked Questions

What kind of views can I expect from mountain passes around Arthog?

The mountain passes around Arthog offer diverse and stunning views. For breathtaking coastal vistas, the Black Road Gravel Pass provides amazing views of Barmouth and its bay from high above the coast. Other passes, like the Aberllefenni Slate Quarry Cycle Route, offer panoramic views of the surrounding Gwynedd countryside and, on clear days, distant peaks of Snowdonia. Bwlch y Rhiwgyr offers fantastic views of both Snowdon and Cadair Idris.

Are there any mountain passes with historical significance in the Arthog area?

Yes, the Aberllefenni Slate Quarry Cycle Route is particularly notable for its combination of historical interest and natural splendor. This route connects old slate mining villages and allows visitors to explore the enduring remnants of centuries of slate mining and industrial heritage, including unique stone fences instead of wooden ones. Bwlch Oerddrws Pass is also near the Cloddfa Gwanas slate quarry.

What types of bikes are suitable for the mountain passes around Arthog?

For the Black Road Gravel Pass, the gravel surface can be loose in parts but is suitable for touring, hybrid, gravel, and mountain bikes. The Aberllefenni Slate Quarry Cycle Route is a cycle path, though it can be narrow and uneven. The Minor Road Pass in Parc Cenedlaethol Eryri is also popular with cyclists.

Are there challenging mountain passes for experienced cyclists near Arthog?

Absolutely. The Aberllefenni Slate Quarry Cycle Route, when heading north, presents a long and tough climb. Similarly, the Minor Road Pass in Parc Cenedlaethol Eryri involves a steady climb with steep ramps, especially if riding south. The Black Road Gravel Pass is also considered a challenging yet rewarding gravel ride.

What outdoor activities can I do near these mountain passes?

Beyond exploring the passes themselves, the Arthog area offers a variety of outdoor activities. You can find numerous MTB trails, including routes like the Mawddach Trail and loops around Cregennan Lakes. There are also many easy hikes, such as those around Cregennan Lakes and to Arthog Waterfalls. For gravel biking enthusiasts, there are dedicated gravel biking routes that incorporate parts of the Mawddach Trail and the estuary.

What should I pack for mountain walking or cycling in the Arthog passes?

Given the exposed nature of some passes, like the Black Road Gravel Pass, it's essential to bring appropriate clothing as weather conditions can change rapidly. Layers are recommended, along with waterproofs, even on clear days. For cycling, ensure your bike is suitable for gravel or uneven surfaces, and always carry water and snacks.

Are there any family-friendly walks or activities near the mountain passes?

While some passes can be challenging, the wider Arthog area offers family-friendly options. The easy hikes around Arthog guide features routes like those around Cregennan Lakes and the Barmouth Viaduct, which are generally suitable for families. These provide gentler terrain and beautiful scenery without the intensity of some of the higher passes.

What makes the Black Road Gravel Pass a popular choice?

The Black Road Gravel Pass is highly regarded for its breathtaking coastal views and the sense of solitude it offers. It winds around the western extreme of Cadair Idris, providing exceptional views of Barmouth and its bay. Visitors praise it as an amazing gravel pass, especially at sunset, and a superb gravel ride despite some loose surfaces.

Can I find viewpoints along the mountain passes in Arthog?

Yes, many passes offer excellent viewpoints. The Black Road Gravel Pass provides amazing views of Barmouth and its bay. The Minor Road Pass in Parc Cenedlaethol Eryri is itself a viewpoint pass. Additionally, Bwlch y Rhiwgyr offers fantastic views of both Snowdon and Cadair Idris from its saddle.

What is unique about the Aberllefenni Slate Quarry Cycle Route?

The Aberllefenni Slate Quarry Cycle Route stands out for its blend of natural beauty and significant industrial archaeology. It climbs to over 400 meters above sea level, connecting old slate mining villages. A unique feature is the use of stone fences instead of wood, a testament to the area's rich history of slate quarrying. Visitors can see remnants of this heritage, including slag heaps, while enjoying impressive Welsh landscapes.

Are there any specific considerations for winter hiking or cycling in the Arthog passes?

While the guide doesn't specify winter conditions for each pass, the exposed nature of routes like the Black Road Gravel Pass means that weather can change quickly. In winter, expect colder temperatures, potentially icy or snowy conditions, and shorter daylight hours. Always check local weather forecasts, carry appropriate winter gear, and be prepared for more challenging terrain and reduced visibility.

What is the Bwlch Oerddrws Pass known for?

The Bwlch Oerddrws Pass is a gap in southeastern Meirionnydd, Gwynedd, crossed by the A470 highway. At 360 meters above sea level, it is a very popular pass for both cyclists and hikers. It's also a convenient stop to explore the nearby Cloddfa Gwanas slate quarry and Cribin Fawr.

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

BeddgelertSnowdoniaLlanberisLlanllechidBetws GarmonLlandygaiMawddwyBrithdir And LlanfachrethFfestiniogLlanfrothenLlanddeiniolenLlangywerLlanelltydDolgellauLlandderfelLlanuwchllynLlanfihangel-Y-PennantLlanycilWaunfawrLlanllyfniCorrisDolbenmaenGanllwydTrawsfynyddAberMaentwrogBalaTalsarnauBarmouthDyffryn ArdudwyBethesdaLlanrugLlandwrogLlanwnda

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