4.8
(21)
256
riders
17
rides
Gravel biking around Brithdir And Llanfachreth offers diverse terrain within North Wales, characterized by rolling hills, tranquil valleys, and mountainous backdrops. The region features a mix of forest fire roads, slate tracks, and quiet country lanes, providing varied surfaces for gravel cyclists. Riders can explore routes alongside rivers and estuaries, with views of prominent peaks like Cadair Idris. This area provides a rugged yet accessible environment for off-road cycling.
Last updated: July 2, 2026
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.
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.

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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.
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
(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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If you smile sweetly you don’t have to pay. There are also public toilets just after this.
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Card payments are accepted. The bridge is open to cyclists and walkers 24/7. There is a slot for the toll in the door outside of operating hours.
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A really fantastic chucks route. one for everyone's bucket list.
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They do take card payments so that’s been an update but it’s not open 24 hrs
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Make sure you have cash for the toll - no card payment here😉
2
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A lovely track to ride along the estuary. Suitable for any bike
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There are 19 gravel bike trails around Brithdir And Llanfachreth, offering a variety of experiences for gravel cyclists.
You'll find a diverse mix of terrains, including forest fire roads, slate tracks, and quiet country lanes. The region's rugged beauty and quiet countryside, particularly towards the Cambrian Mountains, provide excellent gravel tracks and varied surfaces for an engaging ride.
Yes, there are several easy routes. The Mawddach Trail in Mid Wales from Dolgellau to Barmouth is an excellent choice, following the scenic Mawddach Estuary for 9.4 miles (15.1 km) and taking about 1 hour to complete. It's largely flat and very accessible.
For experienced riders seeking a challenge, the Mawddach Trail – Dolgellau Town Centre loop from Dolgellau is a difficult 35.3 miles (56.8 km) path offering extensive riding through varied terrain. Another demanding option is the Penmaenpool Toll Bridge – Penmaenpool Toll Bridge loop from Afon Mawddach, a 21.4 miles (34.4 km) trail with significant elevation.
Yes, many routes are designed as loops. For instance, the Penmaenpool Toll Bridge – Penmaenpool Toll Bridge loop from Afon Mawddach is a popular 21.4 miles (34.4 km) circular trail. Another option is the Penmaenpool Toll Bridge – Penmaenpool Toll Bridge loop from Dolgellau, which covers 31 miles (50 km).
The region is rich in natural beauty. You can encounter dramatic landscapes with views of prominent peaks like Cadair Idris. Highlights include the Penygadair summit, Cadair Idris, and the Summit of Aran Fawddwy. The Arenig Fawr Summit and Flying Fortress Memorial also offers poignant views.
Yes, the area has a rich history. You might pass by historic chapels or ruined castles like Castell y Bere. The Aberllefenni Slate Quarry Cycle Route offers a glimpse into the region's industrial past, while the Arenig Fawr Summit and Flying Fortress Memorial provides a historical point of reflection.
The area is highly rated by the komoot community, with an average score of 4.75 stars from over 18 reviews. Riders often praise the diverse terrain, from easy estuary paths to challenging mountain loops, and the stunning natural scenery, including tranquil forests and views of Cadair Idris.
Spring and autumn generally offer the most pleasant conditions with milder temperatures and beautiful scenery. Summer can also be excellent, though trails might be busier. While winter riding is possible, be prepared for potentially wet and colder conditions, especially on higher ground.
Yes, the wider region includes access to Coed-y-Brenin. The Coed y Brenin Visitor Centre – Tarw Du Trail Entrance loop from Afon Mawddach is a moderate 10.1 miles (16.3 km) route that allows you to explore this renowned trail center's gravel offerings.
Route durations vary significantly based on distance and difficulty. Easier trails like the Mawddach Trail can be completed in about an hour, while more challenging loops such as the Mawddach Trail – Dolgellau Town Centre loop can take over 4 hours.


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