Lake Vyrnwy Loop from Llanrhaeadr-ym-Mochnant
Lake Vyrnwy Loop from Llanrhaeadr-ym-Mochnant
8
riders
03:20
47.0km
750m
Cycling
Cycle a difficult 29.2-mile (47.0 km) loop around Lake Vyrnwy in Eryri / Snowdonia National Park, gaining 2448 feet (746 metres).
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
16 m
Highlight • Cafe
Tip by
15.2 km
Highlight (Segment) • Cycleway
Tip by
32.9 km
Highlight • Bridge
Tip by
37.0 km
Highlight (Segment) • Cycleway
Tip by
47.0 km
End point
Parking
Way Types & Surfaces
Way Types
41.6 km
5.35 km
< 100 m
Surfaces
37.7 km
5.35 km
3.89 km
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Elevation
Highest point (410 m)
Lowest point (130 m)
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Weather
Powered by Foreca
Tuesday 14 July
26°C
14°C
0 %
Additional weather tips
Max wind speed: 17.0 km/h
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This route was planned by komoot.
This challenging touring bicycle route typically takes around 3 hours and 20 minutes to complete. However, your actual duration may vary depending on your fitness level, the number of stops you make, and weather conditions.
No, the Llyn Efyrnwy / Lake Vyrnwy loop from Llanrhaeadr-ym-Mochnant is classified as a 'difficult' bike ride. It requires very good fitness due to its length (approximately 47 km) and significant elevation gain (around 750 meters). Some segments, particularly descents towards Vyrnwy, can be rockier and more challenging, potentially requiring you to push your bike.
The route features varied terrain, predominantly paved surfaces, making it suitable for road cycling. However, be prepared for some unpaved and potentially difficult sections, especially during descents which can be rockier. The 12-mile loop directly around Lake Vyrnwy consists of quiet, well-maintained country lanes. Some parts of the wider area also include gravel tracks and significant climbs.
You'll experience stunning natural beauty, including expansive views of Lake Vyrnwy, considered one of Wales' most beautiful lakes, and the surrounding Berwyn Mountains. Key landmarks include the iconic Lake Vyrnwy and Water Tower and the impressive Lake Vyrnwy and Dam. The area is also a National Nature Reserve and RSPB site, offering opportunities for birdwatching.
The loop starts from Llanrhaeadr-ym-Mochnant. Parking is available within the village. Alternatively, you can find parking closer to Lake Vyrnwy itself, though starting from Llanrhaeadr-ym-Mochnant provides the full challenging experience of this specific route.
The best time to cycle this route is generally during the spring, summer, and early autumn months when the weather is milder and daylight hours are longer. This allows for better enjoyment of the scenery and more comfortable cycling conditions. Always check the weather forecast before you go, as conditions in Eryri / Snowdonia National Park can change rapidly.
While the area around Lake Vyrnwy is generally welcoming, specific rules for dogs on cycling routes can vary. As a National Nature Reserve and RSPB site, it's crucial to keep dogs under close control, preferably on a lead, to protect wildlife. If cycling with a dog, ensure it is well-behaved and does not interfere with other cyclists or wildlife. Always clean up after your dog.
There are no specific permits or entrance fees required for cycling the public roads around Lake Vyrnwy or within the RSPB Nature Reserve. However, as a protected area, visitors are encouraged to respect the environment, stay on designated paths, and follow the Countryside Code to help preserve its natural beauty and wildlife.
Yes, there are amenities available. You can find facilities and cafes in Llanrhaeadr-ym-Mochnant Village Centre at the start/end of your ride. Around Lake Vyrnwy itself, there are often cafes and visitor facilities, particularly near the dam and water tower, offering refreshments and restrooms.
Yes, the route briefly intersects with sections of the Glyndŵr's Way and the Abertridwr trails, offering a glimpse into these longer-distance paths.
This loop is notable for its combination of a challenging touring cycling experience with stunning natural beauty. It offers an iconic circuit around Lake Vyrnwy, showcasing engineering marvels like the Water Tower and Dam, set amidst the remote Berwyn Mountains. As a biodiversity hotspot and RSPB site, it provides exceptional opportunities for nature observation, making it a rewarding ride for those seeking both a physical challenge and immersion in Welsh countryside.
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