4.8
(110)
1,851
riders
22
rides
No traffic touring cycling routes around Mawddwy traverse a landscape characterized by steep, forested hillsides and deep valleys, including Cwm Cywarch and the Dyfi Valley. The region, situated at the southern edge of Eryri (Snowdonia) National Park, features extensive moorlands and is carved by rivers such as the Afon Cywarch and River Dyfi. This diverse terrain offers varied cycling experiences, from challenging mountain passes to more sheltered valley paths.
Last updated: July 3, 2026
6
riders
25.9km
01:55
590m
590m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
23.2km
01:45
560m
560m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
30.8km
02:19
490m
490m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The climb up to Bwlch-y-Groes from Llanymawddwy is a tough one. It is about 3.4 km long and has about 387 m of vertical ascent to get to the gap at 546 m above sea level. You will have an average gradient of 11.3% to grind away at, but you will be rewarded with fantastic views north and south.
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This car park is Free and it’s at the start of all the walks in the area!
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This cafe is great either before your walk or after as it’s just a few yards from the car park. (Opposite post office)
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This extraordinary climb is in the northwestern section of Wales in the Snowdonia mountain region. This is the highest paved road and hardest bike climb in Wales. Bwlch y Groes means “Pass of the Cross.”
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Bwlch y Groes is the second highest public road mountain pass in Wales, with a summit altitude of 545 metres. Gospel Pass in south Wales is slightly higher. It lies on minor roads linking Dinas Mawddwy, Llanuwchllyn and Lake Vyrnw
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The minor road to Mallwyd, where there is a small cafe in the service station, historic church (St. Tydecho's) and an inn.
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Magnificent view on the valley after gruelling climb
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An awesome climb!! Five stars!! Luckily I descended it on my last encounter. Beware when descending as there is a very sharp left hand bend at the bottom!!
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There are over 20 dedicated no-traffic touring cycling routes around Mawddwy, offering a range of difficulties from easy to difficult. This includes 3 easy, 6 moderate, and 13 difficult routes, ensuring options for various skill levels.
Mawddwy's no-traffic touring routes feature diverse and dramatic landscapes. You'll encounter steep, forested hillsides, deep valleys like Cwm Cywarch and the Dyfi Valley, and extensive moorlands. Some routes, such as the Bwlch y Groes – Bwlch y Groes Pass loop from Dinas Mawddwy, include significant climbs through this 'Alpine-style landscape'.
While many routes in Mawddwy are challenging, there are a few easier options suitable for families. The region also offers flatter sections, such as parts of the Mawddach Estuary trail, which is part of National Cycle Route 8 and provides a family-friendly experience from Dolgellau to Barmouth, a short drive from Mawddwy.
Mawddwy is rich in natural beauty. Along your rides, you might encounter stunning lakes like Llyn Cau and Llyn Cynwch. The area is also home to impressive peaks such as Penygadair summit, Cadair Idris and the Summit of Aran Fawddwy, offering breathtaking views.
Yes, the Mawddwy region features several beautiful waterfalls. You can explore areas with cascades like Rhiwargor Waterfall, Waterfall Near Cadair Idris, and Maesglase, adding scenic stops to your touring adventure.
Many of the no-traffic touring routes in Mawddwy are designed as circular loops, allowing you to start and end at the same point. An example is the challenging Bwlch y Groes (Hellfire Pass) – Bwlch y Groes loop from Dinas Mawddwy, which offers a full circuit through the dramatic landscape.
The no-traffic touring cycling routes in Mawddwy are highly regarded by the komoot community, with an average rating of 4.8 out of 5 stars from over 100 reviews. Cyclists frequently praise the stunning 'Alpine-style' scenery, the challenging climbs, and the peaceful, traffic-free nature of the routes, allowing for an immersive experience in the Welsh countryside.
Beyond natural beauty, the region offers cultural interest. You might pass historical sites like Pont Minllyn, a narrow 17th-century bridge, which is part of routes such as the Pont Minllyn – Road to Mallwyd loop from Dinas Mawddwy. The Meirion Mill craft center also provides a local cultural stop.
While these routes are specifically chosen for their low traffic, visiting during the shoulder seasons (spring and autumn) can offer pleasant weather and even fewer visitors. Summer can be beautiful but might see slightly more activity, especially on popular routes or near attractions. Always check local weather forecasts before heading out.
Parking is generally available in and around the main villages like Dinas Mawddwy, which serve as common starting points for many routes. It's advisable to check specific route details on komoot for designated parking areas or local village parking facilities to plan your start efficiently.
The no-traffic touring routes in Mawddwy vary significantly. Distances can range from around 23 km to over 30 km, with elevation gains often exceeding 500 meters due to the mountainous terrain. For example, the Bwlch y Groes – Bwlch y Groes Pass loop from Dinas Mawddwy covers nearly 26 km with almost 600 meters of ascent.


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