4.6
(29)
1,859
riders
44
rides
Road cycling routes around Llyn Ogwen traverse a rugged, glacial landscape within Snowdonia National Park, North Wales. The area is characterized by imposing mountain ranges like the Carneddau and Glyderau, with the lake itself situated at an elevation of about 310 meters. Cyclists can expect routes that follow valleys, pass by lakes, and offer varying elevation gains through this dramatic terrain. The Ogwen Valley provides a mix of paved surfaces and scenic views of the surrounding mountains and water bodies.
…Last updated: July 8, 2026
12
riders
Moderate road ride. Good fitness required. 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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89
riders
19.6km
01:04
390m
390m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
11
riders
78.2km
03:54
1,020m
1,020m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy 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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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)
7
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Loved this place and not far from Swallow Falls
1
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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.
3
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Currently parking is pre-booking only! All others are directed to the P+R in the village and need to get up by bus or walk.
3
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Road cycling routes around Llyn Ogwen traverse a rugged, glacial landscape within Snowdonia National Park. You'll encounter varying elevation gains, from moderate climbs to more challenging ascents, with many routes featuring mostly paved surfaces. Expect dramatic mountain scenery, serene lakes, and views of prominent peaks like Tryfan and the Glyderau.
Yes, while the region offers challenging routes, there are options for varying ability levels. For a more accessible experience, consider routes that incorporate sections of the Lon Las Ogwen (National Cycle Network Route 82), which has traffic-free parts and follows an old railway line, offering a gentler gradient in some areas. There are 12 easy routes available in the area.
There are over 40 road cycling routes available around Llyn Ogwen on komoot, offering a wide range of distances and difficulties to explore this stunning region.
As you cycle, you'll pass through a landscape rich in natural beauty and history. You might see the impressive Llyn Ogwen itself, the source of the River Ogwen, and potentially the cascading Ogwen Falls. The route to Llyn Ogwen often passes through the historical Penrhyn Quarry, and you can also find Ogwen Visitor Centre and Snack Bar, a central hub for outdoor activities.
Yes, many of the routes around Llyn Ogwen are designed as loops, allowing you to start and finish in the same location. For example, the Betws-y-Coed Village – Llyn Ogwen loop from Tryfan is a popular moderate circular route, and the Pen-y-Pass – Llanberis Pass loop from Capel Curig offers expansive views on a moderate path.
The Llyn Ogwen area is beautiful year-round, but for road cycling, spring through autumn generally offers the most favorable weather conditions. Summers provide longer daylight hours, while spring and autumn can offer cooler temperatures and stunning seasonal colors. Always check local weather forecasts, as mountain weather can change rapidly.
There are several parking options available. You can find parking at the Ogwen Visitor Centre and Snack Bar, which serves as a popular starting point for many activities. Additionally, there's a Free Parking Area in Eryri National Park nearby, offering convenient access to routes.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 25 reviews. Reviewers often praise the dramatic landscapes, the challenging yet rewarding climbs, and the stunning views of the glacial valleys and mountain ranges that define the region.
Yes, for experienced riders seeking a challenge, Llyn Ogwen offers several difficult routes. The Llyn Dinas – Caernarfon Castle loop from Pen-y-Pass is a demanding 77.9 km route with over 1000 meters of elevation gain, providing a significant test for advanced cyclists.
Public transport options are available to reach the Llyn Ogwen area, though services may be less frequent than in urban areas. Buses connect surrounding towns like Bangor and Betws-y-Coed to key points in Snowdonia National Park, including stops near Llyn Ogwen. It's advisable to check current timetables for the most up-to-date information.
The Lon Las Ogwen (National Cycle Network Route 82) is a spectacular route that runs from Bangor to Llyn Ogwen. It features sections that are traffic-free, following an old railway line, and others that are mixed off-road/on-road. Cyclists can enjoy breathtaking views of the Carneddau and Glyderau mountain ranges, with a significant climb of nearly 1,000 feet from Bangor to Llyn Ogwen, making it a moderately challenging ride.


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