Ruthin & Llyn Brenig loop from Denbigh
Ruthin & Llyn Brenig loop from Denbigh
5.0
(1)
5
riders
03:34
50.7km
760m
Cycling
This difficult 31.5-mile touring cycling loop from Denbigh offers dramatic Welsh scenery and challenging climbs around Llyn Brenig.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
51 m
Highlight • Castle
Tip by
14.0 km
Highlight • Settlement
Tip by
31.8 km
Highlight (Segment) • Structure
Tip by
33.4 km
Highlight • Cafe
Tip by
38.5 km
Highlight (Segment) • Cycleway
Tip by
50.7 km
End point
Parking
Way Types & Surfaces
Way Types
41.7 km
3.58 km
3.19 km
1.46 km
642 m
114 m
Surfaces
29.7 km
16.0 km
4.58 km
424 m
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Elevation
Highest point (450 m)
Lowest point (30 m)
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Weather
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Monday 25 May
27°C
16°C
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This route was planned by komoot.
While there isn't a specific designated trailhead parking for this loop, you can find public parking options in Denbigh town centre. It's advisable to check local parking regulations and availability before your visit.
No, this route is considered difficult for touring cycling. It involves significant elevation gains, with over 760 meters of climbing, and is best suited for cyclists with very good fitness and experience. Some sections may require pushing your bike.
The terrain is quite varied. You'll encounter a mix of paved surfaces, gravel tracks, forest tracks, and unsurfaced tracks. Around Llyn Brenig, there are wide gravel roads and some singletrack. Wider tires, or a gravel/cyclocross bike, would be beneficial for this route.
The best time to cycle this loop is generally between April and October. During these months, the weather is more favorable, and you might even spot ospreys around Llyn Brenig between April and August. Winter cycling conditions can be challenging due to the exposed moorland.
While specific regulations for this entire loop aren't detailed, many public rights of way in the area are dog-friendly. However, around Llyn Brenig and in nature reserve areas, dogs should generally be kept on a lead to protect wildlife and livestock. Always follow local signage.
Generally, there are no specific permits or entrance fees required for cycling on public rights of way within the Clwydian Range and Dee Valley Area of Outstanding Natural Beauty. However, always respect private land and follow any local regulations or signage.
You'll pass several interesting points, including the historic Denbigh Castle Ruins, the charming Ruthin Town Centre, and the impressive Llyn Brenig Dam. The route also includes the Cairn Ben Lloyd Singletrack for an exhilarating section.
Yes, you'll find amenities in Denbigh and Ruthin. A key stop along the route is the Llyn Brenig Café & Visitor Centre, which offers refreshments and facilities. It's always a good idea to carry sufficient water and snacks, especially for the more remote sections.
The area around Llyn Brenig is rich in wildlife. You might spot deer, otters, red squirrels, badgers, grouse, and buzzards. Between April and August, ospreys are a notable sight. The northern end of the lake is a nature reserve, offering prime viewing opportunities.
Yes, this route incorporates sections of several official trails. You'll find yourself on parts of Ride North Wales, Ride the Clwyds, and the Brenig Way, among others. It also briefly touches upon the proposed National Cycle Route 84.
Given the significant elevation and varied terrain, consider starting early to allow ample time, especially if you plan to stop at highlights like the Llyn Brenig Visitor Centre. Packing layers is also wise, as the exposed moorland can be windy and weather can change quickly.
For this challenging touring cycling loop, you should bring a well-maintained bike suitable for varied terrain (gravel or cyclocross bikes are ideal), plenty of water and snacks, appropriate cycling attire for changing weather, a repair kit, and a fully charged phone with the route downloaded.