4.4
(115)
546
riders
12
rides
Gravel biking around Llyn Cowlyd offers routes through Snowdonia National Park, characterized by a deep glacial lake set amidst rugged mountains. The terrain features steep hills, ancient woodlands, and open moorland, providing varied surfaces for riding. Rocky sections and forest doubletracks are common, making the area suitable for year-round gravel riding. The region is also known for diverse gravel riding terrain, including ancient Roman roads and remote drover's tracks.
Last updated: July 2, 2026
5
riders
29.5km
02:30
900m
900m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
13
riders
27.4km
02:17
620m
610m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3
riders
20.7km
01:39
430m
430m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
6
riders
11.4km
01:05
230m
230m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
10
riders
64.8km
04:29
1,130m
1,130m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The visitor centre is located on the A5, approximately 5 miles south of Bethesda and approximately 4 miles west of Capel Curig, on the western side of Llyn Ogwen. There are a number of facilities including toilets, disabled toilets, an information room, public wifi and a small kiosk selling hot and cold snacks. From the visitor centre you can start a range of walks and climbs in the area. The most popular is the walk to Wales' first ever national nature reserve, the beautiful Cwm Idwal, a glacial lake with a mountainous backdrop. (Cwm Idwal National Nature Reserve)
11
0
a short cut to the top following the yellow trail, nice and steep with slab rock and roots on the descent
0
0
Nothing especially tricky or difficult, as long as you have vaguely "gravel" tyres you'll be fine. Stunning views along the way, I prefer the heading west views but it is pretty both ways.
0
0
The gravel biking trails around Llyn Cowlyd are generally challenging. Out of the 12 available routes, 9 are rated as difficult, and 3 are moderate. Riders should expect technical sections, significant climbs, and descents, with some routes potentially requiring you to push your bike. Good fitness is recommended.
While many routes around Llyn Cowlyd are challenging, there are moderate options that might be suitable for families with older, experienced riders. For example, the Llyn Parc – Llyn Geirionydd loop from Trefriw is a moderate 12.9-mile (20.7 km) route, and the Llyn Sarnau Fire Roads – Llyn Parc loop from Llanrhychwyn is a shorter, moderate 7.1-mile (11.4 km) option. These routes offer varied terrain through woodlands and past lakes, providing a less strenuous experience than the more difficult trails.
The terrain around Llyn Cowlyd is highly varied and rugged. You'll encounter ancient woodlands, open moorland descents, and forest doubletracks. Many sections are rocky rather than muddy, making the area suitable for year-round riding. Expect steep hills, technical singletrack, and dramatic mountain scenery as you navigate the routes.
Llyn Cowlyd itself is a stunning glacial lake, the deepest in northern Wales, nestled within the Carneddau range. Routes often offer panoramic views of surrounding peaks like Tryfan, Y Garn, Foel Goch, and Pen-Yr-Ole-Wen. You might also pass other beautiful lakes such as Llyn Crafnant and Llyn Eigiau, and explore the historic Eigiau Dam Ruins on routes like the Eigiau Valley Gravel Road – Eigiau Dam Ruins loop from Llanrhychwyn.
Yes, many of the gravel bike routes around Llyn Cowlyd are designed as loops. For instance, the challenging Llyn Crafnant – Llyn Ogwen and Ogwen Obelisk loop from Trefriw and the Llyn Ogwen and Ogwen Obelisk – Llyn Crafnant loop from Trefriw are popular circular options that take you through mountainous terrain and past scenic lakes.
The gravel biking routes around Llyn Cowlyd are highly regarded by the komoot community, with an average rating of 4.4 stars from over 100 reviews. Riders frequently praise the challenging yet rewarding terrain, the breathtaking views of the glacial lakes and mountains, and the sense of adventure offered by the rugged Snowdonia landscape.
Yes, the terrain around Llyn Cowlyd, being predominantly rocky rather than muddy, generally makes it suitable for gravel riding year-round. However, given its location in Snowdonia National Park, riders should always be prepared for changeable weather conditions, especially during winter months when temperatures can drop and conditions can become more challenging.
The nearby village of Capel Curig is a common starting point for rides and offers amenities. Plas y Brenin, the National Outdoor Centre in Capel Curig, has a bar and restaurant with impressive views. Other towns like Betws-y-Coed and Conwy are also within reach and provide a wider range of cafes, pubs, and accommodation options.
Generally, permits are not required for gravel biking on public bridleways and byways within Snowdonia National Park, which includes the Llyn Cowlyd area. However, it's always advisable to respect local signage, stick to designated routes, and be aware of any specific access restrictions that might apply to certain private lands or sensitive ecological areas.
Many trails in Snowdonia National Park are dog-friendly, provided dogs are kept under close control, especially around livestock and wildlife. Given the area's designation as a Site of Special Scientific Interest (SSSI), it's particularly important to keep dogs on a lead to protect the unique flora and fauna. Always check specific route details for any restrictions and ensure your dog is fit enough for the challenging terrain.
Capel Curig is a popular and convenient starting point for many rides in the area, offering good connectivity to various valleys and lakes. Other villages like Trefriw and Llanrhychwyn also serve as excellent bases, with routes such as the Llyn Crafnant – Llyn Ogwen and Ogwen Obelisk loop from Trefriw and the Eigiau Valley Gravel Road – Eigiau Dam Ruins loop from Llanrhychwyn beginning from these locations.


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