4.6
(2682)
27,189
hikers
97
hikes
Bus station hiking trails around Llyn Dulyn offer access to the rugged and remote landscapes of the Carneddau mountain range in Snowdonia, North Wales. The region is characterized by untamed terrain, featuring mountain ascents, open moorland, and dramatic crags. Llyn Dulyn, known as the "black lake," is a prominent feature, with its dark waters framed by steep cliffs. Hikers can also encounter numerous streams, waterfalls, and the wild Carneddau Ponies.
Last updated: June 29, 2026
4.7
(6)
108
hikers
9.39km
03:43
570m
570m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
15
hikers
7.71km
03:36
580m
580m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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6
hikers
9.98km
03:34
430m
430m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
7
hikers
24.7km
07:56
1,000m
1,000m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
9
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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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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A lake that has been enlarged with a small dam, but it is a wonderful place tucked away in a corner below Carnedd Llewellyn.
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Huge angled boulder that you can see from the valley below. It can be climbed with care, but is polished these days.
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Canolfan Cwm IdwalClick to open side panel for more information is the primary visitor hub for the Ogwen Valley in Eryri National Park. Located along the A5 near National Trust - Ogwen CottageClick to open side panel for more information, it offers an interactive exhibition on local geology and 24-hour public toilets. Visitors can grab snacks and drinks from the kiosk before embarking on popular trails to Cwm Idwal and the surrounding Glyderau mountains.
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Rhaeadr Idwal is the scenic waterfall formed as the outflow of Llyn Idwal tumbles toward the Ogwen Valley. Cascading over ancient volcanic rock, it is a highlight of the approach path from Ogwen Cottage. Nearby, the Devil’s Appendix plunges 93 meters down the cliffs of Twll Du, making it the tallest single-drop waterfall in Wales. These falls are most dramatic after heavy rain or when frozen into spectacular ice columns in winter.
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Carnedd Llewelyn is high and relatively remote, so walks there are quite a serious undertaking.
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This route is so much fun - and is part of what is probably the best grade 1 scramble in Snowdonia.
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There are nearly 90 hiking routes around Llyn Dulyn that are accessible from bus stations. These include 20 easy, 38 moderate, and 27 difficult trails, offering a wide range of options for all experience levels.
Hikes accessible from bus stations around Llyn Dulyn offer a diverse range of rugged and remote landscapes. You'll encounter dramatic mountain ascents, open moorland, and the striking dark waters of Llyn Dulyn itself, often framed by the imposing Carneddau crags. Many routes also feature gorgeous streams and waterfalls cascading down the hillsides.
Yes, there are several family-friendly options. While the immediate Llyn Dulyn area can be rugged, routes starting from accessible points like Capel Curig offer easier sections. Look for trails with lower elevation gain and shorter distances, which are often suitable for families. The region's natural beauty, including the chance to spot wild Carneddau Ponies, makes it an engaging experience for all ages.
Many trails in the Llyn Dulyn area are dog-friendly, but it's crucial to keep dogs on a lead, especially due to the presence of livestock, including the wild Carneddau Ponies. The terrain can be rugged and steep in places, so ensure your dog is fit for the chosen route. Always carry water for your pet and be mindful of ground-nesting birds during breeding season.
Yes, many of the routes accessible from bus stations are circular, allowing you to experience varied scenery without retracing your steps. For example, the Cwm Idwal – View of Tryfan loop from Capel Curig is a moderate circular route that offers stunning views and is accessible by bus.
For experienced hikers seeking a challenge, routes like the Pen yr Ole Wen – Carnedd Dafydd loop from Capel Curig offer significant elevation gain and distance, taking you through the high peaks of the Carneddau. Another demanding option is the View of Tryfan – Tryfan Summit loop from Capel Curig, which involves a substantial ascent to the summit.
Beyond the dramatic Llyn Dulyn itself, you might encounter the smaller, picturesque Llyn Melynllyn. Keep an eye out for wild Carneddau Ponies in the Cwm Dulyn valley. Some routes also pass by the Dulyn Bothy, a simple mountain shelter. The area is also known as "The Aviators Graveyard" due to WWII plane crashes, with remnants sometimes visible when water levels are low, adding a unique historical layer.
The best time to hike is generally from late spring to early autumn (May to October) when the weather is more stable and daylight hours are longer. However, the Carneddau can be exposed, so be prepared for changeable conditions even in summer. Winter hiking is possible but requires significant experience, proper gear, and awareness of potential snow and ice.
The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the remote and tranquil atmosphere, the dramatic mountain scenery, and the sense of wildness. Many appreciate the opportunity to explore challenging terrain and discover the unique historical and natural features of the Carneddau.
Absolutely. The View of Tryfan – Gwern Gof Uchaf Campsite loop from Capel Curig is a moderate route that provides excellent vistas without excessive difficulty. Many moderate trails in the region lead to elevations over 2,000 ft above sea level, offering panoramic views of the surrounding Snowdonia landscape.
Given the rugged and exposed nature of the Carneddau, layered clothing is essential, even in summer. Waterproof and windproof outer layers are highly recommended. Sturdy hiking boots with good ankle support are crucial for navigating uneven and potentially boggy terrain. Always carry a hat, gloves, and extra warm layers, as weather conditions can change rapidly.


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