A loop of the Carneddau from Penmaenmawr
A loop of the Carneddau from Penmaenmawr
5.0
(3)
94
riders
03:27
66.2km
1,000m
Road cycling
Embark on a challenging road cycling adventure with A loop of the Carneddau from Penmaenmawr, a difficult route spanning 41.2 miles (66.2 km). You will climb a significant 3281 feet (1000 metres) over an estimated 3 hours and 27 minutes, pushing your limits through the stunning Welsh landscape. As you…
Last updated: April 23, 2026
Waypoints
Start point
Train Station
Get Directions
17.5 km
Highlight (Segment) • Viewpoint
Tip by
40.6 km
Highlight • Trail
Tip by
62.4 km
Highlight (Segment) • Viewpoint
Tip by
66.2 km
End point
Train Station
Way Types & Surfaces
Way Types
42.8 km
18.6 km
2.44 km
1.86 km
448 m
< 100 m
Surfaces
51.9 km
14.2 km
166 m
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Elevation
Highest point (320 m)
Lowest point (10 m)
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Weather
Powered by Foreca
Saturday 30 May
18°C
12°C
35 %
Additional weather tips
Max wind speed: 21.0 km/h
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This route was planned by komoot.
Penmaenmawr offers various parking options, including public car parks in the town. It's advisable to check local signage for specific parking regulations and fees, especially during peak seasons. Ensure your parking spot is suitable for the duration of your ride.
The best time to cycle this route is generally during the warmer, drier months, from late spring to early autumn. This avoids the harsher winter conditions and allows for better enjoyment of the stunning scenery. Be prepared for changeable weather even in summer.
No, there are no specific permits or entrance fees required to cycle this route within Snowdonia National Park. However, standard road traffic laws apply, and cyclists should always respect the natural environment and local communities.
As this is a challenging road cycling route designed for racebikes, it is not suitable for cycling with dogs. If you plan to visit the area with a dog, consider alternative walking trails where dogs are permitted and can be safely exercised, usually on a lead.
The route features mostly well-paved surfaces, but be prepared for varied conditions. Some sections, like the road to Llyn Geirionydd, have a poor surface requiring reduced speeds. You will encounter exceptionally steep ascents, with gradients sometimes exceeding 20%, such as the climb out of Trefriw, which has 19% gradients and switchbacks.
This is classified as a 'Hard road ride' and demands 'very good fitness'. It covers 66.2 kilometers with a substantial elevation gain of 1,000 meters, featuring numerous and often 'disgustingly steep' climbs characteristic of the Snowdonia region.
You can expect stunning and glorious scenery throughout the loop. Riders will enjoy panoramic views of lakes and mountains, particularly in areas like the Nant Ffrancon Valley Climb. The Sychnant Pass also offers marvellous views past golf courses and through unspoiled natural beauty.
Yes, the route passes several highlights. You'll experience the challenging Nant Ffrancon Valley Climb, a scenic Llyn Geirionydd Picnic Spot, and the tough Sychnant Pass Climb from Capelulo, all offering memorable experiences and views.
Yes, sections of this route intersect with several other paths. You will find yourself on parts of the Conwy Valley Cycle Route, National Cycle Network Route 5, Snowdonia Slate Trail, and the Wales Coast Path (North Wales Coast), among others.
Penmaenmawr, as a starting point, offers local amenities including cafes and pubs where cyclists can refuel before or after their ride. It's a good idea to check opening times, especially if you're starting early or finishing late.
Given the route's difficulty and varied terrain, you should bring a well-maintained racebike with appropriate gearing for steep climbs. Essential items include plenty of water, energy snacks, a repair kit, spare inner tubes, navigation tools, and suitable clothing for changeable mountain weather, including waterproofs.