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United Kingdom
Wales
North Wales
Denbighshire

Llyn Brenig

The best cycling routes around Llyn Brenig

4.6

(16)

367

riders

25

rides

Touring cycling routes around Llyn Brenig traverse the diverse landscapes of the Denbigh Moors in North Wales. The area features vast upland plateaus, ancient woodlands, and the expansive Llyn Brenig reservoir, the fourth largest lake in Wales. Routes predominantly utilize traffic-free wide gravel roads and doubletrack, with some sections of singletrack. The terrain offers a blend of tranquil waterside paths and more challenging upland trails.

Best touring cycling routes around Llyn Brenig

  • The most popular touring cycling route is Two…

Last updated: April 21, 2026

3.9

(9)

208

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

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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

Moderate

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

Moderate

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

Gravel biking around Llyn Brenig

MTB Trails around Llyn Brenig

Hiking around Llyn Brenig

Road Cycling Routes around Llyn Brenig

Running Trails 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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The grand, ornate stone dam of Alwen Reservoir couldn't be more of a contrast to the neighbouring Llyn Brenig Dam. It's well worth taking a minute or two to take in this magnificent feat of engineering, that was completed in 1920. The reservoir here was built to provide drinking water for Liverpool and the Wirral.

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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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Frequently Asked Questions

How many touring cycling routes are available around Llyn Brenig?

There are over 25 touring cycling routes around Llyn Brenig, catering to various skill levels. These include easy, moderate, and difficult options, ensuring there's a suitable path for almost every rider.

Are there touring cycling routes suitable for beginners in Llyn Brenig?

Yes, Llyn Brenig offers several easy touring cycling routes. A good option for beginners is the Llyn Brenig Dam – Llyn Brenig loop from Llyn Brenig Visitor Centre Cafe, which is 8.3 miles (13.3 km) long and features mostly waterside scenery.

What kind of terrain can I expect on touring cycling routes in Llyn Brenig?

The terrain around Llyn Brenig is diverse, featuring vast upland plateaus, ancient woodlands, and expansive waterside paths. Routes predominantly use traffic-free wide gravel roads and doubletrack, with some sections of singletrack. While many paths are relatively flat, some routes include challenging uphill sections, especially those venturing into the surrounding moors.

What natural features and attractions can I see while touring cycling around Llyn Brenig?

Touring cyclists can enjoy stunning upland scenery, including the expansive Llyn Brenig reservoir and the surrounding Denbigh Moors. Keep an eye out for wildlife such as ospreys, red kites, and buzzards. The Two Lakes loop from Llyn Brenig visitor centre offers picturesque views through woodlands and along the shoreline, while the Alwen Reservoir and Trail – Alwen Reservoir Wooden Bridge loop from Llyn Brenig Visitor Centre provides varied terrain around the Alwen Reservoir, including a distinctive wooden bridge.

Are there any historical or archaeological sites accessible by touring bike?

Yes, the area has significant archaeological interest. An archaeological trail around Llyn Brenig leads to Bronze Age cairns, barrows, and remnants of 16th-century farm buildings, discovered during the reservoir's construction. These sites offer a glimpse into the region's ancient past.

Is bike hire available at Llyn Brenig?

Yes, bike hire is available at the Llyn Brenig Visitor Centre. You can rent adult bikes, children's bikes, e-bikes, and even trailers, making it convenient if you don't bring your own equipment.

Where can I park my car when visiting Llyn Brenig for cycling?

Ample parking is available at the Llyn Brenig Visitor Centre, which serves as a central hub for many of the cycling routes. This is a convenient starting point for exploring the trails.

Are there cafes or facilities along the touring cycling routes?

The Llyn Brenig Visitor Centre is the main facility, offering a café with panoramic lake views, a gift shop, and an osprey exhibition. It's a great place to start or finish your ride, or to take a break. For example, the Llyn Brenig Dam – Llyn Brenig loop from Llyn Brenig Visitor Centre Cafe starts directly from this convenient location.

What is the best time of year to go touring cycling in Llyn Brenig?

The spring and summer months (April to August) are particularly popular, offering milder weather and the chance to spot ospreys. However, the diverse landscape provides scenic cycling opportunities throughout the year, with autumn bringing vibrant colours to the woodlands and moors.

Are there any circular touring cycling routes in Llyn Brenig?

Many of the touring cycling routes around Llyn Brenig are circular, allowing you to start and finish at the same point. Examples include the Two Lakes loop from Llyn Brenig visitor centre and the Alwen Reservoir and Trail – Alwen Reservoir Wooden Bridge loop from Llyn Brenig Visitor Centre.

What do other touring cyclists enjoy most about touring cycling in Llyn Brenig?

The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the stunning upland scenery, the well-maintained traffic-free trails, and the peaceful atmosphere around the reservoirs and through the woodlands. The variety of routes, from easy waterside paths to more challenging moorland trails, is also frequently highlighted.

Can I bring my dog on the touring cycling routes in Llyn Brenig?

Many of the trails around Llyn Brenig are dog-friendly, but it's always best to keep dogs on a lead, especially in areas with livestock or ground-nesting birds, and to check specific route guidelines. The general rule is to be respectful of wildlife and other visitors.

Most popular routes around Llyn Brenig

Gravel biking around Llyn Brenig

Most popular attractions around Llyn Brenig

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