Highlight • Bridge
Penmaenpool Toll Bridge
Cycling
4.9
(35)
Gravel riding
5.0
(2)
Road cycling
5.0
(2)
Mountain biking
5.0
(1)
Hiking
5.0
(1)
This Highlight is in a protected area
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Tips
April 24, 2022
Cycling
August 5, 2021
Cycling
November 15, 2025
Cycling
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Nearby routes
Best routes near Penmaenpool Toll Bridge
4.3
(7)
70
riders
31.5km
01:59
240m
240m
Embark on the Mawddach Trail Loop for a moderate touring bicycle ride that takes you through the heart of Eryri / Snowdonia National Park. You will cover 19.6 miles (31.5 km) with a gentle elevation gain of 795 feet (242 metres), offering a relaxed journey along the Mawddach Estuary. As you cycle, you will witness diverse landscapes, from tranquil woodlands and open meadows to wetlands, all framed by the impressive Rhinogs and Cadair Idris mountains.
Planning your visit is straightforward; the main trail is largely flat and well-maintained, making it suitable for most touring bicycles and family outings. The core route is almost entirely traffic-free, ensuring a peaceful experience. While the estimated duration is around 1 hour and 58 minutes, you can take your time to soak in the views. Parking is conveniently available at key access points in towns like Dolgellau and Barmouth, making it easy to start your adventure.
This route is notable for its iconic landmarks, including the historic Penmaenpool Toll Bridge and the impressive Barmouth Bridge, which stands as Wales' longest timber viaduct. The Mawddach Estuary itself is a designated Site of Special Scientific Interest, rich in natural beauty and ecological importance. You will find yourself immersed in a unique blend of Welsh heritage and stunning natural environment, making this loop a memorable experience.
5.0
(3)
32
riders
56.1km
03:44
790m
790m
Embark on a challenging touring bicycle adventure with the Tal-y-Llyn or Llyn Mwyngil & Mawddach Trail loop from Dolgellau. This route spans 34.9 miles (56.1 km) and features a significant elevation gain of 2582 feet (787 metres), making it a difficult ride that typically takes around 3 hours and 44 minutes to complete. You will experience a dramatic shift in scenery, from the flat, traffic-free paths of the Mawddach Trail, offering expansive views of the estuary and distant mountains, to the rugged mountain terrain around Llyn Mwyngil, a picturesque glacial lake nestled at the foot of Cadair Idris.
To plan your visit, be aware that while the Mawddach Trail section is suitable for most cyclists, the Tal-y-Llyn portion demands good fitness and a capable touring or gravel bike due to its substantial ascents and unpaved surfaces. Parking is generally available in Dolgellau, which serves as the convenient starting point for this loop. Exercise caution on descents after the Cregennan Lakes area, as they can be very steep and include hairpin bends.
This loop offers a unique blend of experiences within Eryri / Snowdonia National Park, showcasing both serene coastal estuary landscapes and dramatic mountain vistas. You will cycle along the iconic Barmouth Railway Bridge, a notable landmark, and gain elevated views towards Barmouth from the Cregennan Lakes. The route's contrasting environments provide a comprehensive exploration of the region's diverse natural beauty, from tranquil waters to imposing peaks.
4.9
(14)
222
riders
19.7km
01:15
110m
110m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
Details
Informations
Elevation 30 m
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Tuesday 18 August
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