Best mountain passes around Dolgarrog serve as a gateway to the Carneddau mountain range within Snowdonia National Park. This area features high-level routes and passes known for their rugged landscapes and historical significance. The region offers diverse experiences, from challenging ridge walks to accessible mountain paths. These routes provide extensive views across mountains and valleys, often including glimpses of the Conwy Valley and beyond.
Last updated: June 26, 2026
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Excellent connecting ridge between Carnedd Llewellyn and Pen yr Helgi Du. FIne climbing and scrambling routes on the northern side, such as in the Amphitheatre.
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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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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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It's well worth the effort to climb to the top of the pass.
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Magnificent and dizzying view! However, prefer to go around in the opposite direction to that indicated. The steep slope is very narrow and steep. Easier to go up than to go down.
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Nice steady climb from the Beddgelert side, kicks up in a couple of sections but nothing too stressful. Well worth a visit
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Great road surface great climb one of the greatest climbs I've been on. Fast descent worth the views
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Sychnant Pass (Welsh: Bwlch Sychnant, "Dry-stream Pass") in Conwy County Borough, Wales, links Conwy to Penmaenmawr via Dwygyfylchi. Much of the pass is in Snowdonia National Park, and a large area of land within it has been designated a site of Special Scientific Interest. At the bottom is the village of Capelulo, which lends its name to the community of Penmaenmawr. Tough climb from any direction. Well worth for the stunning scenery.
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Beyond the well-known routes, you can explore passes like Bwlch Tryfan (Tryfan Pass), which sits between Tryfan and Glyder Fach and offers access to scrambles. Another option is Sychnant Pass, linking Conwy to Penmaenmawr with stunning scenery. The Carneddau range also features Bwlch y Tri Marchog, known for its rugged beauty and inclusion in dramatic ridge walks.
The passes around Dolgarrog are primarily located within the Carneddau mountain range, which offers vast, rolling landscapes and a profound sense of solitude, distinct from the more rugged Snowdon massif. They combine natural beauty with historical elements, such as ancient routes and remnants of the industrial past, and often provide far-reaching views extending to Anglesey and the Menai Strait on clear days.
Yes, Bwlch y Ddeufaen (Pass of the Two Stones) is famed for its historical significance. It follows an ancient route that predates the Romans and is marked by two prehistoric standing stones at its summit, offering a unique blend of history and accessible mountain walking.
From these passes and their surrounding peaks, visitors can enjoy far-reaching scenery, often extending to Anglesey and the Menai Strait on clear days. For example, Bwlch Eryl Farchog provides impressive glimpses down into Cwm Eigiau and towards the Conwy Valley. Sychnant Pass also offers stunning views back over where you came from and beyond the sea.
Yes, the Carneddau range, accessible from Dolgarrog, is home to the United Kingdom's only population of wild ponies. If you're lucky, you might spot them, especially in quieter parts of the range like near Bwlch Eryl Farchog.
Absolutely. Passes like Bwlch y Tri Marchog are known for their steep sections and can be challenging, especially in adverse weather, appealing to experienced hikers seeking rugged terrain. Bwlch Tryfan also provides access to scrambles like the South Ridge to Tryfan's summit or the trickier Bristly Ridge to Glyder Fach.
Yes, Bwlch y Ddeufaen offers a unique blend of history and accessible mountain walking. It allows hikers to be high in the mountains without a strenuous initial climb, making it suitable for a wider range of walkers, including families, interested in exploring ancient pathways and panoramic scenery.
The area around Dolgarrog offers a variety of outdoor activities. You can find numerous hiking trails, including easy hikes like the Coedty Reservoir loop or the Eigiau Dam Ruins loop. For cyclists, there are many road cycling routes, such as the 'Royal Oak Hotel, Betws-y-Coed – Betws-y-Coed Village loop'. Gravel biking is also popular, with routes like the 'Bullhead Descent – Llyn Parc loop'. You can explore more options on the respective guide pages for easy hikes, road cycling, and gravel biking around Dolgarrog.
The best time to visit generally depends on your activity. For challenging hikes and scrambles, summer and early autumn offer more stable weather conditions. However, the passes can be visited year-round, with each season offering a different experience. Always check local weather forecasts, as conditions in the mountains can change rapidly.
Yes, the Carneddau range, where many of these passes are located, is generally known for offering a profound sense of solitude compared to the more popular Snowdon massif. Bwlch Eryl Farchog, for instance, is noted as being in one of the quietest parts of the Carneddau range, making it a good choice if you're looking to avoid crowds.
When hiking in the Carneddau, it's essential to be prepared for changeable mountain weather. Always carry appropriate layers, waterproof clothing, sturdy hiking boots, sufficient food and water, and navigation tools (map, compass, or GPS device). For more challenging routes involving scrambles, consider bringing a helmet and knowing basic scrambling techniques.
Parking options vary by pass. For example, Pen-y-Pass has a car park, though it requires online booking and payment. For Bwlch y Ddeufaen, there's an already elevated car park, allowing easier access to the pass. It's always advisable to research specific parking locations and any booking requirements for your chosen starting point.


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