The best road cycling routes around Llynau Mymbyr
4.7
(19)
1,285
riders
43
rides
Road cycling routes around Llynau Mymbyr offer varied terrain within the Snowdonia National Park. The region is characterized by its glacial lakes, such as Llynau Mymbyr and Llyn Ogwen, surrounded by mountainous landscapes and valleys. Road cyclists can expect routes that navigate through these valleys and passes, providing a mix of gradients.
Best road cycling routes around Llynau Mymbyr
- The most popular road cycling route is Tryfan and Dyffryn Ogwen – Llyn Ogwen loop from Capel Curig, a 17.0…
Last updated: July 8, 2026
3.0
(1)
67
riders
27.3km
01:15
280m
280m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
20
riders
81.3km
04:07
1,280m
1,290m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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45
riders
63.5km
02:52
710m
710m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
20
riders
23.3km
01:04
260m
260m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
17
riders
37.2km
01:49
560m
570m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Tips from the Community
The bridge was probably built in the 17th century and then radically rebuilt and widened in 1795-1796. As with many older bridges, folk tales claimed that the bridge was built by the devil or by the Romans (which an investigation by the National Trust described as "very doubtful"). During the reconstruction, a stone was found with the inscription "W M 1656" scratched on it, suggesting that the bridge is at least that old. Pont Aberglaslyn is located near the downstream end of the Aberglaslyn Pass. Although the location is rocky and the river flows through rapids upstream, it is not far above sea level. (Wikipedia)
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The visitor centre is located on the A5, approximately 5 miles south of Bethesda and approximately 4 miles west of Capel Curig, on the western side of Llyn Ogwen. There are a number of facilities including toilets, disabled toilets, an information room, public wifi and a small kiosk selling hot and cold snacks. From the visitor centre you can start a range of walks and climbs in the area. The most popular is the walk to Wales' first ever national nature reserve, the beautiful Cwm Idwal, a glacial lake with a mountainous backdrop. (Cwm Idwal National Nature Reserve)
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Cyfyng Falls (on the Afon Llugwy) are relatively unknown, although they are situated along the main road between Betwys y Coed and Capel Curig. The falls are directly below the road and can be seen from the Pont Cyfyng bridge. After the bridge turn right onto a lane/footpath which branches off to the right just after a gate. Follow this to the river for a better view. It is not the height that makes this waterfall so attractive, but the power of the water and the landscape.
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Pont Cyfyng is a bridge over the River Llugwy at Capel Curig. The river flows very fast here, with rapids and waterfalls. Beautiful to see.
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If you want to park here, you have to reserve a parking space in advance for 20 GBP. We didn't manage to do it, as everything was fully booked. You can then park in Llanberies and take the Sherpa Bus S1 or S2 to Pen y Pass. The bus runs every half hour. From Pen y Pass, you can then choose the Miner's Track or Pyg Track. Have fun!
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Right opposite the layby are the two main blocks - a good description and link to the topo is at https://www.climber.co.uk/outdoor/bouldering/around-the-bloc-the-cromlech-boulders-llanberis/ There are more higher up on the hill and you will find boulderars here at most times of the weather permits.
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Frequently Asked Questions
How many road cycling routes are available around Llynau Mymbyr?
There are over 40 road cycling routes available around Llynau Mymbyr, offering a diverse range of experiences within Snowdonia National Park. These routes vary in difficulty, catering to different skill levels.
Are there easy road cycling routes suitable for beginners or families around Llynau Mymbyr?
Yes, Llynau Mymbyr offers several easy road cycling routes. For instance, the Tryfan and Dyffryn Ogwen – Llyn Ogwen loop from Capel Curig is an easy 17.0-mile (27.3 km) trail that provides scenic views without excessive climbing. Another accessible option is the Llyn Mymbyr – Pen-y-Pass loop from Dolgam, which is 14.5 miles (23.3 km) long and also rated as easy.
What is the best time of year for road cycling in Llynau Mymbyr?
The best time for road cycling in Llynau Mymbyr is generally from late spring to early autumn (May to October). During these months, the weather is typically milder, with less rain and longer daylight hours, making for more enjoyable rides through the mountainous terrain of Snowdonia.
Are there any circular road cycling routes around Llynau Mymbyr?
Many of the road cycling routes in the Llynau Mymbyr area are circular, allowing you to start and finish at the same point. Examples include the Tryfan and Dyffryn Ogwen – Llyn Ogwen loop from Capel Curig and the more challenging Llyn Ogwen – Llyn Dinas loop from Capel Curig, which traverses multiple lakes.
Where can I find parking for road cycling routes in Llynau Mymbyr?
Parking is available at various points around Llynau Mymbyr, particularly in and around Capel Curig, which serves as a common starting point for many routes. Specific car parks can be found near popular trailheads and villages within Snowdonia National Park.
What kind of views and landscapes can I expect on road cycling routes around Llynau Mymbyr?
Road cycling around Llynau Mymbyr offers breathtaking views of glacial lakes like Llynau Mymbyr and Llyn Ogwen, dramatic mountainous landscapes, and scenic river valleys. Routes often pass through iconic areas such as the Ogwen Valley and offer glimpses of peaks like Tryfan.
Are there any cafes or refreshment stops along the road cycling routes?
Yes, you'll find cafes and refreshment stops in the villages and towns situated along or near many of the road cycling routes. Capel Curig, being a central hub, offers options for a break, and other villages within Snowdonia National Park will also have facilities.
What are some of the more challenging road cycling routes in the area?
For experienced road cyclists seeking a challenge, the Llyn Ogwen – Llyn Dinas loop from Capel Curig is a difficult 50.5-mile (81.3 km) path with significant elevation gain. Another demanding option is the Llyn Dinas – Pont Aberglaslyn loop from Capel Curig, a moderate-to-difficult 39.5-mile (63.5 km) trail through lake districts and river valleys.
What do other road cyclists enjoy most about road cycling in Llynau Mymbyr?
The area is highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the stunning natural beauty, the variety of terrain from gentle valleys to challenging mountain passes, and the well-maintained roads that make for an excellent cycling experience.
Can I expect to see any wildlife while road cycling around Llynau Mymbyr?
As Llynau Mymbyr is located within Snowdonia National Park, you have a good chance of encountering various wildlife. Keep an eye out for native bird species, mountain sheep, and other local fauna, especially in quieter sections of the routes away from main roads.
Are there routes that include the Llanberis Pass?
Yes, some routes incorporate the iconic Llanberis Pass. For example, the Pen-y-Pass – Llanberis Pass loop from Capel Curig is a moderate 23.1-mile (37.2 km) route that takes you through this famous mountain pass, offering spectacular views.
Most popular routes around Llynau Mymbyr
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