4.6
(29)
1,861
riders
15
rides
Road cycling around Llyn Idwal offers routes through the dramatic glacial landscapes of Eryri (Snowdonia), North Wales. The region is characterized by U-shaped valleys, towering mountains such as Tryfan and Glyder Fawr, and the clear waters of Llyn Idwal itself. Cyclists can navigate well-maintained roads, including sections of the A5, which provide access to the Ogwen Valley and its challenging terrain. The area features significant elevation gains, making it suitable for road cyclists seeking demanding rides amidst scenic backdrops.
Last updated: June 29, 2026
15
riders
42.7km
03:30
990m
990m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
4
riders
57.1km
03:23
800m
800m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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23
riders
26.9km
02:01
460m
460m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
18
riders
30.9km
01:41
560m
560m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.0
(1)
7
riders
16.3km
00:49
250m
250m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Llyn Idwal
Fantastic views of slate quarry and Snowdon Llanberis path
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This place is fun to explore and an interesting peek into Welsh rich mining heritage
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Dinorwic Quarry, located between the villages of Llanberis and Dinorwig in Wales, offers a dramatic and historically rich landscape, with stunning views over . https://www.mybalancenow.it.com
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This elevated point had excellent views looking down on Llyn Peris lake and around the old slate quarry. The wild goats were basking in the sun less than 100 metres away. You can get quite close to the goats, but too close and they move away slightly.
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This is a class section, often used by MTB and Road bikers. If you look closer you can see where?
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Amazing hike up through Dinorwic quarry & stunning views of Snowdon
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Komoot features around 14 dedicated no-traffic road cycling routes in the Llyn Idwal area. These routes offer a range of experiences, from easier rides to more challenging ascents through the stunning glacial landscapes of Eryri (Snowdonia).
The routes around Llyn Idwal cater to various skill levels. You'll find 2 easy routes perfect for a relaxed ride, 11 moderate routes offering a good balance of challenge and scenery, and 1 difficult route for experienced cyclists seeking significant elevation gains. The region is known for its mountainous terrain, so even moderate routes can include rewarding climbs.
Yes, there are a couple of easier routes suitable for families or beginners looking for a less strenuous ride. For example, the Lodge Dinorwig – Snakes and Ladders Ladder loop from Mynydd Llandygai is an easy option, covering 16.3 km with a manageable elevation gain of 250 meters.
The no-traffic road cycling routes around Llyn Idwal offer breathtaking views of the dramatic glacial landscapes of the Ogwen Valley. You'll cycle past towering peaks like Tryfan, Y Garn, and the Glyderau, with opportunities to see the stunning Llyn Idwal itself. The area is characterized by classic U-shaped valleys, glacial moraines, and unique geological formations like the Idwal Slabs and Devil's Kitchen (Twll Du).
The Llyn Idwal area is highly rated by the komoot community, with an average score of 4.6 out of 5 stars from 25 ratings. Reviewers often praise the spectacular mountain scenery, the challenge of the climbs, and the peacefulness of the no-traffic roads that allow for an immersive experience in this beautiful part of Eryri (Snowdonia).
Yes, many of the routes are designed as circular loops, allowing you to start and finish at the same point. An example is the moderate Caernarfon Castle – Caernarfon Castle loop from Bethesda, which offers a 57.3 km ride with 800 meters of elevation gain, providing a comprehensive tour of the area's scenic roads.
Parking is available at various points around the Ogwen Valley, which serves as a common starting point for routes in the Llyn Idwal area. Ogwen Cottage, located on the A5, is a primary access point for the region and often has parking facilities. It's advisable to arrive early, especially during peak season, as spaces can fill up quickly.
The main A5 road is the primary access route to the Ogwen Valley and Llyn Idwal. While local bus services operate in Snowdonia, it's essential to check their specific policies regarding carrying bicycles, as space can be limited, especially on smaller routes. Planning your journey in advance with the local transport provider is recommended.
Spring and autumn generally offer the most pleasant conditions for road cycling in the Llyn Idwal area, with cooler temperatures and often clearer skies, providing excellent visibility of the mountain landscapes. Summer can be beautiful but also busier, while winter cycling requires more preparation due to potentially harsh weather, including ice and snow at higher elevations.
Absolutely! The Llyn Idwal area is a hub for outdoor activities. You can easily combine a scenic road cycle through the Ogwen Valley with a shorter hike around Llyn Idwal itself, or explore geological wonders like the Idwal Slabs. The region is rich in natural beauty, making it ideal for multi-activity days. Consider the View of Snowdon – View of Llyn Peris loop from Mynydd Llandygai for a moderate ride that offers stunning vistas.
While Llyn Idwal itself is a natural reserve, the surrounding Ogwen Valley and nearby villages offer options for refreshments. You'll find cafes and pubs in communities along the A5 and in towns like Bethesda or Llanberis, which are often part of or easily accessible from these cycling routes. These spots provide opportunities to refuel and relax after your ride.


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