4.9
(6)
265
riders
27
rides
Road cycling routes around Llanbrynmair traverse the challenging terrain of the Cambrian Mountains within the UNESCO Dyfi Biosphere. The region is characterized by rolling hills, undulating roads, and significant elevation gains, offering demanding yet rewarding experiences for cyclists. Quiet back roads allow for immersion in the natural scenery, which includes superb valley views and preserved natural habitats. The area provides a diverse landscape for road cyclists seeking varied challenges.
Last updated: May 11, 2026
4.7
(3)
44
riders
47.2km
02:13
580m
580m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
31
riders
51.2km
02:44
940m
940m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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31
riders
49.5km
02:29
820m
820m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
13
riders
22.8km
01:21
560m
560m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
10
riders
30.0km
01:39
630m
620m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Llanbrynmair
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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Incredibly difficult but rewarding climb. Second highest pass in Wales. A relentless climb with no breaks or easy period with the steepest ramp hitting 25% towards the end of the effort. 1.84 miles Average 11% Max 25%
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The Corris Institute is a charming Grade II listed building in the village of Corris. Built in 1911 in the late Medieval vernacular revival style, the Institute serves as a community centre and post office, amongst other things. Source: https://coflein.gov.uk/en/site/403579/
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Stayed at The Wynnstay, perfect place to prepare for starting the Traws Eryri the following day...
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An excellent little rest stop out of the wind. very peaceful. Worth a visit.
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Bwlch y Groes (Pass of the Cross) is one of the highest public road mountain passes in Wales. The views from the top of Bwlch y Groes are stunning with views across the Dyfi valley and Cadair Idris. This 17 mile breathtaking route lies on minor roads linking Dinas Mawddwy and Llanuwchllyn in the heart of the Snowdonia National Park and Lake Vyrnwy. The route was part of the pilgrim's route from North West Wales to St David's in South Wales. A cross, which is humble in appearance, is not on a map. It can be found just below the summit at the junction of the road that leads down from Lake Vyrnwy. It was placed on the route as a symbol of faith and strength comforting travellers since medieval times. Cycling the route is definitely not for the faint hearted!
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Lovely quite road with some good hills, but it's worth it for the views.
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Road cycling around Llanbrynmair primarily features the challenging, undulating terrain of the Cambrian Mountains. You'll encounter rolling hills and significant elevation gains, characteristic of this region often called the 'last wilderness of Wales.' The routes are generally on paved surfaces, offering superb valley views and quiet back roads for an immersive experience.
While many routes in Llanbrynmair are challenging, there are options for varying ability levels. The guide lists 3 easy routes and 17 moderate routes. For example, the Corris – Idris Stores loop from Dinas Mawddwy is a moderate 45.9 km route with scenic views, suitable for those looking for a less strenuous but still rewarding ride.
Llanbrynmair is known for its demanding rides. The guide features 8 difficult routes. A notable challenging option is the Bwlch y Groes – Bwlch yr Oerddrws loop from Dinas Mawddwy, a difficult 51.2 km path with substantial elevation gain, characteristic of the Cambrian Mountains. Another challenging route is the Machynlleth Clock Tower – Machynlleth Clock Tower loop from Staylittle, covering 73.7 km with over 900 meters of ascent.
The region offers stunning natural beauty. You can enjoy superb valley views throughout your ride. Notable natural features include the UNESCO Dyfi Biosphere, Llyn Clywedog (a scenic reservoir), and the Hafren Forest, which houses the source of the River Severn. For breathtaking vistas of the rugged highland scenery, consider routes that offer views of Pumlumon Fawr summit, the highest peak in the Cambrian Mountains.
Yes, many of the road cycling routes around Llanbrynmair are designed as scenic loops. Examples include the Machynlleth Clock Tower – Dylife Gorge Viewpoint loop from Llanbrynmair, which covers 50.2 km, and the Bwlch y Groes loop from Dinas Mawddwy, a 22.9 km moderate ride. These loops allow you to start and finish in the same location, making logistics easier.
The Cambrian Mountains and Dyfi Biosphere offer beautiful cycling conditions, but weather can be variable. Generally, late spring to early autumn (May to September) provides the most favorable weather for road cycling, with milder temperatures and longer daylight hours. However, be prepared for challenging conditions and potential rain at any time, as is typical for the Welsh climate.
Llanbrynmair is a rural area, and public transport options may be limited. While some local bus services might connect to larger towns like Machynlleth, direct access to specific trailheads via public transport can be challenging. It's advisable to check local bus schedules in advance or consider driving to a starting point with parking facilities.
Generally, no specific permits are required for road cycling on public roads in Powys, Wales, including the Llanbrynmair area. You are free to cycle on designated public highways. However, always respect private land and follow local signage, especially if routes pass near farms or private estates.
The road cycling routes around Llanbrynmair are highly regarded by the komoot community, with an impressive average rating of 4.9 out of 5 stars from numerous reviews. Cyclists often praise the quiet back roads, the stunning valley views, and the rewarding challenge of the Cambrian Mountains' elevation gains, making it a favorite for those seeking an immersive natural experience.
While many routes in Llanbrynmair feature significant elevation, there are easier options that might be more suitable for families or less experienced riders. Look for routes categorized as 'easy' or 'moderate' in the guide. Additionally, the Lon Cambria (Sustrans Route 81) passes through the wider region, offering sections that could be more gentle and suitable for family outings, though specific family-friendly paved routes directly within Llanbrynmair might require careful selection.
Llanbrynmair and nearby towns like Machynlleth offer various accommodation options, including B&Bs, guesthouses, and pubs that often welcome cyclists. Many establishments in outdoor-focused regions are accustomed to catering to active visitors and may offer facilities like secure bike storage. It's always a good idea to check with individual businesses regarding their cyclist-friendly amenities when planning your trip.
Road cycling in Llanbrynmair is characterized by significant elevation gains due to its location within the Cambrian Mountains. Even moderate routes can feature several hundred meters of ascent. For example, the Corris – Idris Stores loop has over 570 meters of elevation gain, while more difficult routes like the Bwlch y Groes – Bwlch yr Oerddrws loop can exceed 940 meters of ascent, providing a demanding workout for cyclists.


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