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Routes
Gravel rides
United Kingdom
Wales
North Wales
Gwynedd

Dolgellau

The best gravel rides around Dolgellau

4.8

(23)

278

riders

18

rides

Gravel biking around Dolgellau, situated within Eryri National Park, offers diverse terrain for cyclists. The region features a network of forest roads, hard-packed tracks, and former railway lines. Key geographical elements include the Mawddach Estuary, Coed y Brenin Forest Park, and the presence of hills and mountains like Cader Idris. This landscape provides varied experiences from flat, traffic-free paths to routes with significant elevation.

Best gravel bike trails around Dolgellau

  • The most popular gravel bike trail is Mawddach Trail in Mid Wales from Dolgellau to Barmouth, a 9.4 miles (15.1 km) trail that takes approximately 1 hour to complete. This largely flat, traffic-free gravel path stretches along the scenic Mawddach Estuary to Barmouth.
  • Another top favourite among local gravel bikers is Black Road Gravel Pass – Cregennan Lakes loop from Esgairgeiliog Ceinws, a difficult 43.2 miles (69.5 km) path. This route features significant elevation and offers views of the Cregennan Lakes.
  • Local gravel bikers also love the Penmaenpool Toll Bridge – Penmaenpool Toll Bridge loop from Dolgellau, a 19.3 miles (31.0 km) trail leading through the Mawddach Estuary and past the historic Penmaenpool Toll Bridge, often completed in about 2 hours 45 minutes.
  • Gravel biking around Dolgellau is defined by forest roads, estuary paths, and routes featuring significant elevation. The network offers options for various ability levels, from easy family-friendly rides to challenging loops.
  • The routes in Dolgellau are highly rated by the komoot community with an average score of 4.7 stars from over 20 reviews. More than 300 gravel bikers have used komoot to explore Dolgellau's varied terrain.

Last updated: April 29, 2026

5.0

(3)

24

riders

#1.

Mawddach Trail in Mid Wales from Dolgellau to Barmouth

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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Easy

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Tips from the Community

Maria Wigley (wigleybike)
November 15, 2025, Penmaenpool Toll Bridge

If you smile sweetly you don’t have to pay. There are also public toilets just after this.

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Annja
August 31, 2025, Cregennan Lakes

First, a somewhat adventurous ride on the single track to the parking lot, which costs £5. The easy loop around the lake is very beautiful and relaxing – the sheep roam freely, but they keep their distance. Dogs must be on a leash, of course, but that's not a problem. Enjoy it – and if you're up for more, go for a longer loop. There are a few tables and benches above the parking lot for your picnic. You won't find any litter baskets, so you'll have to take them with you – which is perfectly fine, as it's a nature reserve. Highly recommended.

Translated by Google

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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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Andy
October 7, 2024, Mawddach Trail

A lovely track to ride along the estuary. Suitable for any bike

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Frequently Asked Questions

How many gravel bike trails are there in Dolgellau?

Dolgellau offers a wide selection of gravel biking opportunities, with over 20 routes available on komoot. These range from easy, family-friendly rides to more challenging, longer loops, catering to various skill levels.

What kind of terrain can I expect on gravel bike trails around Dolgellau?

The terrain around Dolgellau is diverse, featuring a mix of forest roads, hard-packed tracks, and former railway lines. You'll encounter everything from largely flat, traffic-free paths along the Mawddach Estuary to routes with significant elevation changes in areas like Coed y Brenin Forest Park and the surrounding hills.

Are there family-friendly gravel bike trails in Dolgellau?

Yes, Dolgellau is home to excellent family-friendly options. The Mawddach Trail is a prime example, offering a largely flat, traffic-free gravel path along the scenic Mawddach Estuary. Coed y Brenin Forest Park also has easier, waymarked gravel routes suitable for families, such as the 'Coblynnau' trail.

Are there challenging gravel bike routes for experienced riders?

Absolutely. For experienced riders seeking a challenge, Dolgellau offers routes with significant elevation and technical sections. The Black Road Gravel Pass – Cregennan Lakes loop is a difficult 69.5 km path with substantial climbing. Other demanding routes can be found within Coed y Brenin Forest Park, like the 36 km 'Y Wrach Wen' trail.

What natural features or landmarks can I see along the gravel bike trails?

The trails offer stunning views of the Mawddach Estuary, the majestic Cader Idris mountain, and the ancient woodlands of Coed y Brenin. You can also explore historic sites like the Penmaenpool Toll Bridge, which is part of the Penmaenpool Toll Bridge loop. The region's rich industrial past, including old mine workings, also adds interest.

Can I visit the Cregennan Lakes on a gravel bike route?

Yes, the tranquil Cregennan Lakes are a notable feature in the area and can be incorporated into gravel bike routes. The challenging Black Road Gravel Pass – Cregennan Lakes loop specifically takes you past these beautiful lakes, offering a rewarding experience for those seeking a longer, more demanding ride.

Are there any waterfalls or gorges accessible from the gravel trails?

While not directly on all gravel trails, the region around Dolgellau is known for its natural beauty, including gorges and waterfalls. For example, the Pistyll Gain (Rhaeadr Mawddach) Waterfall is a significant natural attraction in the wider area, and the Afon Gain Gorge can be explored on foot or as part of a multi-sport adventure.

Is there parking available for gravel bike trails in Dolgellau?

Yes, parking is generally available at key trailheads and popular starting points. For instance, there are dedicated parking facilities at Coed y Brenin Forest Park, which serves as a major hub for gravel biking. In Dolgellau town, you can find parking options to access the Mawddach Trail and other routes.

How can I reach the gravel biking routes in Dolgellau using public transport?

Dolgellau is accessible by public transport, primarily bus services connecting it to larger towns in North Wales. From the town center, many routes, such as the Mawddach Trail, are directly accessible. For Coed y Brenin, you might need to combine a bus journey with a short ride or taxi to reach the park's main facilities.

Are there cafes or pubs along the gravel bike routes in Dolgellau?

Yes, you'll find opportunities for refreshments. Dolgellau town itself has various cafes and pubs. Along the Mawddach Trail, there are often stops, particularly towards Barmouth. Coed y Brenin Forest Park also has a visitor center with a cafe. Planning your route can help identify suitable refreshment stops.

Are dogs allowed on the gravel bike trails in Dolgellau?

Many trails in the Dolgellau area, especially those on public rights of way and within Coed y Brenin Forest Park, are dog-friendly, provided dogs are kept under control, particularly around livestock or wildlife. The Mawddach Trail is also generally welcoming to dogs. Always check specific trail regulations or signage.

What do other gravel bikers enjoy most about the trails in Dolgellau?

The gravel biking routes around Dolgellau are highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the stunning scenic views of the Mawddach Estuary and Cader Idris, the variety of terrain from easy estuary paths to challenging forest climbs, and the well-maintained nature of trails like the Mawddach Trail and those in Coed y Brenin.

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