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Routes
Running Trails
United Kingdom
Wales
North Wales
Denbighshire

Llyn Brenig

The best running trails around Llyn Brenig

18

runners

3

runs

Jogging around Llyn Brenig offers diverse trails through 2,500 acres of forest, moorland, and lakes in North Wales. The region is characterized by captivating upland scenery, including the Mynydd Hiraethog (Denbigh Moors) with its wet upland plateaus and blanket bogs. Runners can explore lakeside paths, woodland tracks within Clocaenog Forest, and open moorland, providing varied terrain and wide-ranging views. The area's natural features include the reservoir itself and surrounding coniferous forests.

Best jogging routes around Llyn Brenig

  • The most popular…

Last updated: April 25, 2026

3

runners

#1.

View of Llyn Brenig loop from Alwen Water Treatment Works

4.97km

00:32

70m

70m

Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Easy

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

Moderate
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3

runners

Moderate run. 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 β€” cycling Llyn Brenig

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Cycling around Llyn Brenig

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A hidden jewel of North Wales β€” cycling Llyn Brenig

Mountain Biking Collection by

Katherine Moore

Tips from the Community

Katherine Moore
April 4, 2023, View of Alwen Reservoir from the North Shore

The views over Alwen Reservoir from this section along the northern shore are simply wonderful! You'll take them in if you follow the waymarked Alwen or Lakes Circular routes. You move between open views and between the trees, but both are pretty spectacular, especially at sunset.

1

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Frequently Asked Questions

How many running routes are available around Llyn Brenig?

There are several excellent running routes around Llyn Brenig, with komoot featuring 4 distinct trails. These routes offer a variety of experiences, from easy loops to more challenging moderate runs, catering to different fitness levels.

What kind of terrain can I expect on the jogging trails at Llyn Brenig?

The jogging trails at Llyn Brenig offer a diverse mix of terrain. You'll find lakeside paths, woodland tracks within Clocaenog Forest, and open moorland. Many routes feature off-road tracks, dirt paths, and some sections with gravel, providing varied surfaces for an engaging run through captivating upland scenery.

Are there any easy running routes suitable for beginners or a quick jog?

Yes, Llyn Brenig has options for easier runs. For instance, the View of Llyn Brenig loop from Alwen Dam is an easy 3.1-mile (5.0 km) path that offers refreshing views of the reservoir and is perfect for a quicker, less strenuous jog.

Can I bring my dog on the running trails around Llyn Brenig?

Llyn Brenig is generally dog-friendly, but it's important to keep dogs under control, especially due to the presence of wildlife and livestock in surrounding areas. Always check local signage for specific restrictions on individual trails, particularly around sensitive habitats or nesting seasons. Many trails are suitable for dogs on a lead.

Are there any circular running routes in the Llyn Brenig area?

Yes, many of the routes around Llyn Brenig are circular, allowing you to start and finish at the same point. A popular option is the Llyn Brenig Visitor Centre – Llyn Brenig loop from Llyn Brenig Visitor Centre, which is a moderate 6.7-mile (10.9 km) trail that circumnavigates the lake.

What natural attractions or wildlife might I see while running in Llyn Brenig?

Llyn Brenig is rich in natural beauty and wildlife. Runners can enjoy stunning upland scenery, wide-ranging views over the reservoir and the Mynydd Hiraethog (Denbigh Moors). The area is home to over 130 bird species, including ospreys (from spring to late August), red kites, and buzzards. You might also spot otters, stoats, weasels, and polecats, especially when running through Clocaenog Forest.

Is there parking available at the trailheads for running routes?

Yes, parking is generally available at key access points around Llyn Brenig. The main Visitor Centre offers ample parking, which serves as a convenient starting point for several routes, including the popular Llyn Brenig loop. Other routes, like those starting from Alwen Dam, also have designated parking areas.

What is the best time of year to go running at Llyn Brenig?

Llyn Brenig offers beautiful running conditions throughout the year, but spring and autumn are particularly popular. In spring, you can witness the return of ospreys and enjoy fresh greenery. Autumn brings stunning foliage colors. Summer is also great, especially for early morning or late afternoon runs to avoid the warmest part of the day. Winter runs can be invigorating, but be prepared for potentially wet and windy conditions on the exposed moorland sections.

Are there any facilities like cafes or visitor centers near the running trails?

Yes, the Llyn Brenig Visitor Centre is a central hub that provides amenities for visitors. It features a cafe where you can refuel after your run, a gift shop, and an osprey exhibition. This makes it a great starting or finishing point for many of the area's running routes.

Are there any longer, more challenging running routes around Llyn Brenig?

For those seeking a greater challenge, Llyn Brenig offers moderate routes with more elevation gain and varied distances. The Alwen Reservoir – Tai-isaf loop from Alwen Dam is a 6.9-mile (11.1 km) trail with significant elevation changes, leading through diverse terrain around Alwen Reservoir. Another option is the Coed y Llyn – Coed yr Ardd loop from Prion, a moderate 10.1 km route.

What makes running in Llyn Brenig unique compared to other areas?

Running in Llyn Brenig is unique due to its combination of stunning upland scenery, the tranquil Llyn Brenig reservoir, and the extensive Clocaenog Forest. The area's diverse habitats support rich wildlife, including ospreys, and its Bronze Age archaeological sites add a historical dimension. The variety of trails, from lakeside to moorland and forest, ensures a constantly changing and engaging running experience in the heart of North Wales.

Can I find routes that are suitable for families with children?

While specific 'family' routes aren't explicitly listed, the easier and shorter loops around Llyn Brenig can be suitable for families. The 3.1-mile View of Llyn Brenig loop from Alwen Dam, for example, offers manageable distances and refreshing views, making it a good option for families looking for a gentle jog or walk together.

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