31
riders
1
ride
Gravel biking around Llyn Dulyn offers routes through the rugged Carneddau mountain range in Snowdonia, North Wales. The terrain features dramatic mountain scenery with cliffs rising from the lake's edge, alongside glacial lakes and reservoirs. Riders can expect varied surfaces, from winding rural lanes to off-road tracks and paths, often with significant elevation changes. The area is characterized by its remote, wild landscape and the presence of the deep Llyn Dulyn itself.
Last updated: July 2, 2026
4
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
29.5km
02:30
900m
900m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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13
riders
27.4km
02:17
620m
610m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
23.4km
01:53
520m
520m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
20.7km
01:39
430m
430m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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a short cut to the top following the yellow trail, nice and steep with slab rock and roots on the descent
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This path was created in 1887 to commemorate the Golden Jubilee of Queen Victoria. Those two towers are the start and end point of this beautiful walk near Penmaenmawr. The whole trail will take you on circular around Foel Lus, offering beautiful views of the Great Orme, the sea and the mountains of the Snowdonia National Park.
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This is a serene lake located in the Conwy Valley surrounded by forested hills and the rugged landscape of Snowdonia. There's a cafe and fishery further south along the lake which is a lovely place to stop and refuel.
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Llyn Crafnant is a lake that lies in a valley in Wales where the northern edge of the Gwydir Forest meets the lower slopes of the Carneddau mountains and, more specifically, the ridge of Cefn Cyfarwydd. The head of the valley offers a profile of crags which are silhouetted at sunset. The Forest Park guide (2002) states that "the (view along Llyn Crafnant) is one of the most breathtaking views in all Snowdonia" Crafnant takes its name from “craf”, an old Welsh word for garlic, and “nant”, a stream or valley. Many visitors walk there from the village or from the neighbouring lake of Llyn Geirionydd, which runs parallel to it, but a mile distant, the two being separated by Mynydd Deulyn – “mountain of the two lakes”. The lake can also be reached on foot from Capel Curig.
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The terrain around Llyn Dulyn is varied and often challenging. You'll encounter winding rural lanes, off-road tracks, and paths that can range from relatively flat to steep ascents. The area is characterized by dramatic mountain scenery, glacial lakes, and reservoirs, with surfaces that can be rocky. Be prepared for significant elevation changes on many routes.
While many routes in the Llyn Dulyn area feature significant elevation gains and are rated as 'difficult', there are options that might be more approachable. For instance, the Llyn Parc – Llyn Geirionydd loop from Trefriw is rated 'moderate' and covers 20.7 km with 430 meters of elevation gain, offering a less strenuous option compared to the more challenging trails.
The region is rich in natural beauty and historical intrigue. You'll experience the dramatic mountain scenery of the Carneddau range, with cliffs rising steeply from the deep Llyn Dulyn itself. Nearby, you can find the smaller Llyn Melynllyn. Keep an eye out for the Dulyn Bothy, a mountain shelter, and the area's fascinating history, sometimes referred to as 'The Aviator's Graveyard' due to WWII plane remains occasionally revealed by low water levels. The Cwm Dulyn valley is also a likely place to spot Carneddau Ponies.
Yes, several routes in the broader Llyn Dulyn area are designed as loops, allowing you to start and finish in the same location. Examples include the Aber-Roth Pass Gravel Climb – Roman Road Abergwyngregyn loop from Llanfairfechan, which is a 32.9 km difficult route, or the Eigiau Valley Gravel Road – Eigiau Dam Ruins loop from Llanrhychwyn, covering 27.4 km.
Wales, and particularly Snowdonia, is known for its gravel riding suitability year-round, often featuring rocky rather than muddy terrain. However, the dramatic mountain environment around Llyn Dulyn means weather can be unpredictable. Spring and autumn offer cooler temperatures and potentially stunning scenery, while summer provides longer daylight hours. Winter riding is possible but requires appropriate gear and vigilance for changing conditions, especially at higher elevations.
The immediate Llyn Dulyn area features challenging terrain with significant elevation. While some rural lanes might be suitable for families with older, experienced riders, many of the listed gravel routes are rated 'difficult' or 'moderate' due to their length and climbs. For family outings, it's advisable to carefully review route profiles and consider shorter, less technical sections or dedicated cycle paths in the wider Snowdonia region.
Many public rights of way in the UK, including bridleways and tracks suitable for gravel biking, are dog-friendly. However, given the remote and wild nature of the Carneddau mountains, it's crucial to keep dogs under close control, especially near livestock (like the Carneddau Ponies) and nesting birds. Always follow the Countryside Code, clean up after your dog, and be aware that some areas might have specific restrictions or require dogs to be on a lead.
Accessing Llyn Dulyn often involves rural lanes. Parking options may be limited to small lay-bys or designated car parks further afield, requiring a ride-in to the main trails. For specific routes, check the starting points on komoot tours for information on nearby parking facilities. For example, routes starting from Llanfairfechan or Trefriw would likely have more established parking options.
Llyn Dulyn itself is in a remote part of the Carneddau mountains, so immediate amenities are scarce. You'll need to venture to nearby villages or towns for cafes, pubs, and accommodation. Settlements like Llanfairfechan, Trefriw, or Llanrhychwyn, which serve as starting points for some routes, would offer more facilities. It's always a good idea to plan your refreshment and accommodation stops in advance.
Gravel biking around Llyn Dulyn often involves substantial elevation gains, reflecting the mountainous terrain of the Carneddau. For example, the Aber-Roth Pass Gravel Climb – Roman Road Abergwyngregyn loop from Llanfairfechan features over 870 meters of climbing, and the Llyn Crafnant – Llyn Ogwen and Ogwen Obelisk loop from Trefriw includes nearly 900 meters of ascent. Be prepared for challenging climbs and rewarding descents.
There are several gravel bike trails available around Llyn Dulyn on komoot, with a total of 5 routes currently listed in this guide. These routes offer a range of distances and difficulties, primarily catering to experienced riders due to the challenging terrain and significant elevation changes.
Gravel bikers exploring the Llyn Dulyn area on komoot often praise the dramatic mountain scenery, the wild and remote feel of the Carneddau, and the challenging nature of the routes. The varied off-road tracks and the sense of adventure in this unique landscape are frequently highlighted by the community.


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