4.8
(36)
384
riders
27
rides
Gravel biking in Gwynedd offers diverse terrain across its dramatic landscapes and extensive trail network. The region encompasses much of Snowdonia National Park, featuring a blend of mountains, forests, and coastline, alongside former slate quarries. Riders can find a variety of surfaces, from forest roads and hilly tracks to repurposed disused railway lines and country lanes. This provides options for challenging climbs, flowing descents, and gentler, traffic-free paths.
Last updated: August 21, 2026
4.0
(1)
14
riders
39.9km
03:49
990m
990m
Embark on a challenging gravel biking adventure with the Cregennan Lakes and Mawddach Trail loop from Barmouth. This difficult route spans 24.8 miles (39.9 km) and features a significant 3247…
5.0
(3)
23
riders
15.1km
00:59
50m
50m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(4)
25
riders
20.1km
01:24
380m
380m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
15
riders
69.5km
05:09
1,490m
1,490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
24
riders
68.0km
05:43
1,760m
1,760m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
21
riders
57.1km
03:59
1,120m
1,120m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
15
riders
12.4km
00:59
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
33
riders
16.3km
01:21
320m
320m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(5)
29
riders
19.8km
01:05
110m
100m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
15
riders
34.5km
02:33
620m
620m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The road to the Cregennan lakes is narrow and winding, you have to open and close a gate across the road yourself twice. At the end there is a reasonably large parking lot. Don't be put off by the access road and it is wonderful there!
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Through the forest run many paths, wide gravel paths but also narrow paths between the trees.
8
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Slightly above Llyn Llewelyn you have a nice view of Snowdon and the surrounding peaks. Enjoy this beautiful view.
8
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Llyn Llywelyn is a small shallow mountain lake surrounded by open moorland and forests. It is a natural spot to pause, picnic and soak up the serene atmosphere before continuing your walk.
8
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Free parking for Beddgelert Forest, half a mile from the A4085. There is a separate parking area for horse trailers. There are also a number of information boards with routes for walking and mountain biking.
8
0
This expansive forest is a treasure trove of walking and cycling trails, photographic opportunities and wildlife in the heart of Eryri National Park (Snowdonia). You can enjoy breathtaking views of Yr Wyddfa (Snowdon), picnic by the secluded lake Llyn Llywelyn and listen to the sound of the trains from the Old Welsh Highland Railway, which run through the forest on their way from Caernarfon to Porthmadog. You can also go horse riding. (National Resources Wales)
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Gwynedd offers a wide selection of gravel biking routes, with over 35 trails documented on komoot. These routes cater to various skill levels, from easy, flat paths to challenging, long-distance rides.
Yes, Gwynedd has several easy and family-friendly gravel bike routes. A prime example is the Mawddach Trail in Mid Wales from Dolgellau to Barmouth, which follows a disused railway line, offering a largely flat and traffic-free ride along the Mawddach Estuary. This 15.1 km path is part of Gwynedd's 'Lonydd Glas' network, designed for easy access and enjoyment.
Gwynedd's gravel trails offer a diverse range of terrain. You'll encounter everything from smooth forest roads and repurposed disused railway lines to more rugged, hilly tracks and technical slate paths. The region's landscape, encompassing Snowdonia National Park, provides a mix of mountain, forest, and coastal scenery.
Many of Gwynedd's gravel routes are designed as loops, allowing you to start and finish in the same location. For instance, the Cregennan Lakes and the Mawddach Trail loop from Barmouth is a popular circular option, offering significant elevation gain and scenic views around the lakes and estuary.
Gravel biking in Gwynedd offers access to stunning natural and historical landmarks. You can ride past picturesque locations like the Cregennan Lakes, explore ancient woodlands within Gwydir Forest Park, or follow coastal paths along the Mawddach Estuary. The region is also rich in history, with impressive medieval castles such as Caernarfon Castle and Harlech Castle, and former slate quarries that are now UNESCO World Heritage Sites.
Yes, Gwynedd is home to several beautiful waterfalls that can be incorporated into or viewed from gravel bike routes. Notable waterfalls include Aber Falls, Idwal River Waterfall, and Rhaeadr Ddu (Black Falls) Waterfalls. Some routes may also pass by historical sites with waterfalls, such as Rhosydd Quarry — Ruins and Waterfall.
Gwynedd offers gravel biking opportunities year-round, but the best time often depends on your preference. Spring and autumn provide pleasant temperatures and vibrant scenery, while summer offers longer daylight hours. Be prepared for changeable weather conditions, as is typical for North Wales, and always check forecasts before heading out.
While specific cafes directly on every trail might vary, many routes in Gwynedd pass through or near towns and villages where you can find refreshment stops. Popular trails like the Mawddach Trail connect towns such as Dolgellau and Barmouth, offering opportunities for food and drink. Planning your route in advance can help identify suitable stops.
Many of Gwynedd's gravel bike trails are accessible by car, with parking often available near trailheads, especially in popular areas like Coed y Brenin Forest Park or near towns. Public transport options, including local bus services and railway lines, can also provide access to certain starting points, particularly for routes following disused railway lines.
The gravel biking experience in Gwynedd is highly rated by the komoot community, with an average score of 4.8 stars from over 40 reviews. Riders frequently praise the dramatic mountain scenery, ancient woodlands, and coastal paths along estuaries. The variety of trails, from easy, flat paths to challenging climbs, is also a highlight for many.
Absolutely. Gwynedd is known for offering some of the most challenging gravel climbs in the UK. Routes like the Black Road Gravel Pass – Cregennan Lakes loop from Esgairgeiliog Ceinws, covering 69.5 km with significant elevation, provide a demanding experience for advanced riders. Coed y Brenin Forest Park also features new adventure/gravel cycle routes with challenging climbs and descents.
Many trails in Gwynedd, particularly those in national parks and public access areas, are dog-friendly. However, it's always best to check specific trail regulations, especially when passing through farmland or nature reserves, to ensure dogs are permitted and to understand any requirements like keeping them on a lead. Always practice responsible dog ownership by cleaning up after your pet.


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