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United Kingdom
Wales
North Wales
Denbighshire

Llyn Brenig

The best traffic-free bike rides around Llyn Brenig

4.6

(16)

347

riders

13

rides

No traffic touring cycling routes around Llyn Brenig traverse a landscape characterized by expansive moorland, ancient broad-leaved woodlands, and the fourth largest lake in Wales. The region features stunning upland scenery with varied terrain, including wide gravel roads, doubletrack, and some singletrack paths. Cyclists can explore routes that wind through forests, along spectacular shorelines, and into surrounding moorland, offering diverse experiences for different skill levels.

Best no traffic touring cycling routes around Llyn Brenig

  • The most popular no traffic touring…

Last updated: May 17, 2026

3.9

(9)

207

riders

#1.

Two Lakes loop from Llyn Brenig visitor centre

24.1km

02:11

290m

290m

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.

Hard

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Popular around Llyn Brenig

A hidden jewel of North Wales — cycling Llyn Brenig

Traffic-free bike rides around Llyn Brenig

Other adventures around Llyn Brenig

A hidden jewel of North Wales — cycling Llyn Brenig

Mountain Biking Collection by

Katherine Moore

Tips from the Community

JohnHago
May 18, 2025, Alwen Reservoir and Trail

A good walk or ride. Easily achievable on a cheap MTB or a gravel bike. It's mostly gravel, which makes it a good all-weather route.

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You can head back to llyn brenig before you get to the section as a short cut, this but is not to be missed. Flows really nice, cutting through some old forest before a fun section along the lake.

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Kentishbob
August 5, 2024, Llyn Brenig

Though it was not a tough or technical ride, it did take me into territory I had never visited before and was a lovely antidote to the 'fleshpots' of Gwydir Forest or Coed-y-Brenin. Some lovely gentle singletrack, beautiful views and I didn't see another rider for the whole trip - although tbh I did set off at 08.30 on a Wednesday!!

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This bridge across the 900-acre (364 ha) Alwen Reservoir enables a beautiful and tranquil loop of the Wales' largest artificial lake. The views across the water and to the surrounding woodland and hills are lovely.

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Explore over 2500 acres of forest, moorland and lakes amid stunning upland scenery. With visitor centre, café, gift shop, osprey exhibition, adventure playground, cycle hire, mountain biking, walking trails, sailing and world class fishing to discover. Perfect cycling conditions for all ages and abilities. Hire from a wide range of bikes or bring your own ride. Enjoy a gentle family ride on an e-bike or an exhilarating mountain bike adventure.

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Stunning scenery some nice roads but watch out for sheep 🐑

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Llyn Brenig is a reservoir located on Denbigh Moors in North Wales. The artificial lake, which was constructed between 1973 and 1976, was created by building an embankment dam across the Afon Brenig valley. It lies at 1,200 ft (370 m) above sea level on the border between the counties of Conwy and Denbighshire. It is used to manage the flow in the River Dee as part of the River Dee regulation system.

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Llyn Brenig is a reservoir located on Denbigh Moors in North Wales. The artificial lake, which was constructed between 1973 and 1976, was created by building an embankment dam across the Afon Brenig valley. It lies at 1,200 ft above sea level on the border between the counties of Conwy and Denbighshire.

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Frequently Asked Questions

How many no-traffic touring cycling routes are available around Llyn Brenig?

There are over a dozen dedicated no-traffic touring cycling routes around Llyn Brenig, offering a variety of distances and difficulties. These routes utilize wide gravel roads, doubletrack, and some singletrack, ensuring a peaceful ride through stunning landscapes.

What is the best time of year to cycle around Llyn Brenig?

The best time to cycle around Llyn Brenig is typically from spring through autumn. During these seasons, the weather is generally milder, and the natural beauty of the moorland and woodlands is at its peak. Summer offers longer daylight hours, while spring and autumn provide vibrant colors and fewer crowds. Always check local weather forecasts before heading out.

Are there any easy, family-friendly no-traffic cycling routes?

Yes, Llyn Brenig offers several easy, family-friendly options. For instance, the Osprey Nest at Llyn Brenig loop is an easy 9.6 km route, perfect for a relaxed ride. Another accessible option is the Llyn Brenig Dam loop, which covers 13.2 km with minimal elevation gain.

What kind of terrain can I expect on the no-traffic cycling routes?

The no-traffic cycling routes around Llyn Brenig feature a mix of terrain. You'll primarily encounter wide gravel roads and doubletrack, with some sections of singletrack. While many routes are relatively flat, some, like parts of the Brenig Trail, include challenging inclines. The paths offer breathtaking lakeside views and lead into surrounding moorland and shady forests.

Are there any notable landmarks or viewpoints along the cycling routes?

Absolutely. The routes offer numerous scenic stops. You can enjoy stunning views of Llyn Brenig, the fourth largest lake in Wales, and the surrounding Mynydd Hiraethog (Denbigh Moors). Keep an eye out for the osprey nest, particularly during breeding season, which can be viewed from dedicated lookouts. The Two Lakes loop provides expansive vistas of both Llyn Brenig and Alwen Reservoir.

Where can I park when visiting Llyn Brenig for cycling?

The Llyn Brenig Visitor Centre is the primary hub and offers ample parking facilities. It serves as a convenient starting point for many of the cycling routes, including the Alwen Reservoir and Trail loop and the Alwen Dam loop.

What wildlife might I encounter on the no-traffic cycling paths?

Llyn Brenig is a haven for wildlife. Cyclists often spot ospreys, especially during summer, red kites, buzzards, and peregrine falcons. Other residents include otters, red squirrels, and various meadow plant species that attract insects and butterflies. The area is home to over 130 bird species, making it a fantastic spot for nature observation.

Are there facilities like cafes or bike hire available at Llyn Brenig?

Yes, the Llyn Brenig Visitor Centre provides excellent facilities. You'll find a cafe for refreshments, a gift shop, and an osprey exhibition. For cyclists, bike hire is available, including adult and children's bikes, e-bikes, and bike trailers, making it easy to explore the trails even if you don't bring your own equipment. More information can be found on the Visit Wales website.

Can I combine cycling with other outdoor activities at Llyn Brenig?

Absolutely. Llyn Brenig offers a wide range of outdoor activities beyond cycling. You can enjoy walking on numerous trails, world-class fly-fishing for trout, sailing, kayaking, canoeing, stand-up paddleboarding (SUP), and even open-water swimming. There's also an archaeological trail revealing Bronze Age remains for those interested in history.

What do other touring cyclists enjoy most about the no-traffic routes in Llyn Brenig?

The no-traffic touring cycling routes in Llyn Brenig are highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the tranquility of the traffic-free paths, the stunning lakeside views, and the opportunity to observe diverse wildlife. The well-maintained gravel surfaces and varied route options for all abilities are also frequently highlighted.

Are there any circular no-traffic cycling routes around Llyn Brenig?

Yes, many of the no-traffic cycling routes around Llyn Brenig are circular, allowing you to start and end at the same point, often the Visitor Centre. The Two Lakes loop is a popular circular option that takes you around both Llyn Brenig and Alwen Reservoir, offering a comprehensive tour of the area's natural beauty.

Most popular routes around Llyn Brenig

Gravel biking around Llyn Brenig

Most popular attractions around Llyn Brenig

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