4.4
(89)
965
riders
24
rides
Mountain biking around Llyn Ogwen offers routes through the rugged terrain of Snowdonia National Park. The area is characterized by glacial valleys, mountain passes, and the prominent lake itself. Trails often feature a mix of gravel paths, forest tracks, and some technical sections, providing varied riding experiences. The landscape includes open moorland and views of surrounding peaks, with elevations ranging from valley floors to higher mountain slopes.
Last updated: May 11, 2026
5.0
(1)
11
riders
14.3km
01:05
160m
160m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(4)
32
riders
35.9km
02:25
470m
470m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4
riders
58.6km
04:52
1,170m
1,170m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
4.2
(13)
75
riders
27.5km
02:36
680m
680m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.0
(2)
11
riders
Moderate mountain bike ride. Good fitness required. 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
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Standing on this bridge you have a beautiful view of Llyn Mymbyr and the mountains behind it including Snowdon. This bridge connects Plas Y Brenin National Outdoor Centre with the forests and mountains on the other side.
13
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perfect place to take rest and enjoy the lake view!
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.
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Now open everyday 0800 til 1700. Caffi Siabod is at the foot of Moel Siabod in the village of Capel Curig. Serving the local Community as well as walkers, hikers and bikers
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There are over 25 mountain bike trails available around Llyn Ogwen, catering to various skill levels. These routes traverse the rugged terrain of Snowdonia National Park, offering diverse riding experiences.
Yes, Llyn Ogwen offers 5 easy mountain bike trails. A great option for beginners is the Llyn Mymbyr – Bridge Over Llyn Mymbyr loop from Tryfan, which is 8.9 miles long and provides scenic views without overly technical sections.
Advanced mountain bikers can find 6 difficult trails in the Llyn Ogwen area. These routes often feature significant elevation gains and technical sections. For a challenging ride, consider the Snowdonia Slate Trail Byway – Llyn Ogwen and Ogwen Obelisk loop from Bethesda, which covers 35.1 miles and includes mountain passes and historic landmarks.
While specific 'family-friendly' designations vary, the easier trails are generally suitable for families with some biking experience. The Llyn Mymbyr – Bridge Over Llyn Mymbyr loop from Tryfan is an easy option that could be enjoyed by families looking for a less strenuous ride.
Parking is available at several points around Llyn Ogwen. You can find designated parking at the Ogwen Visitor Centre and Snack Bar. There's also a Free Parking Area in Eryri National Park, which can be convenient depending on your chosen starting point.
The best time for mountain biking around Llyn Ogwen is typically from late spring to early autumn (May to October). During these months, the weather is generally milder, trails are drier, and daylight hours are longer, offering optimal conditions to enjoy the glacial valleys and mountain views.
Winter mountain biking in Llyn Ogwen can be challenging due to cold temperatures, shorter daylight hours, and potentially wet, muddy, or icy trail conditions. Higher elevations may experience snow. It's crucial to check local weather forecasts, trail conditions, and be prepared with appropriate gear and safety precautions if riding during winter.
Yes, many of the mountain bike routes around Llyn Ogwen are circular, allowing you to start and finish at the same point. An example of a moderate circular route is the Llyn Cowlyd and the Crafnant valley loop, which offers varied terrain and scenic views.
While mountain biking in Llyn Ogwen, you might encounter various upland wildlife. Keep an eye out for birds of prey such as buzzards or kestrels soaring above, and you may spot mountain sheep grazing on the open moorland. The area's rugged landscape supports a range of species adapted to the mountain environment.
The Llyn Ogwen area is highly rated by the komoot community, with an average score of 4.4 stars from over 80 reviews. Mountain bikers often praise the diverse terrain, from gravel paths to technical sections, and the stunning views of the surrounding peaks and glacial valleys. The variety of routes for all abilities is also frequently highlighted.
Yes, the trails around Llyn Ogwen pass by several notable landmarks. You'll ride alongside the beautiful Llyn Ogwen itself, and parts of the Nant Ffrancon Cycle Route offer great views. Some routes, like the Snowdonia Slate Trail Byway, also lead past historic features in the landscape.
For a moderate challenge, the Llyn Ogwen – Nant Ffrancon Cycle Route loop from Bethesda is an excellent choice. This 22.3-mile route follows the valley floor, providing a mix of open and sheltered sections with a good amount of elevation gain, making it a popular option for local riders.
Given the variable mountain weather in Llyn Ogwen, it's best to dress in layers. Opt for moisture-wicking base layers, a mid-layer for warmth, and a waterproof and windproof outer shell. Padded shorts, gloves, a helmet, and appropriate mountain biking shoes are essential for comfort and safety.


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