Best lakes around Clocaenog are situated within Clocaenog Forest, a large woodland area known for its natural features and diverse wildlife. The forest encompasses rivers and open moorland, with Bod Petryal being a notable lake offering a peaceful lakeside picnic site. This area provides accessible trails for walking and cycling, including routes like the "Keeper's Stroll" and the "Bod Petryal Trot." Visitors can observe wildlife such as woodpeckers, red squirrels, and black grouse within the extensive conifer forest environment.
Last updated: June 30, 2026
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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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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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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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A long and winding doubletrack gravel road that flanks the eastern shore of Llyn Brenig. It's a little rough in places so best on a gravel bike, sturdy hybrid or mountain bike rather than a pure road bike. Enjoy the views as you meander around the little inlets and see what wildlife you can see across the water.
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A pleasant place for a picnic near the dam at the end of the Alwen reservoir.
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Great views, not too bad a climb to get there.
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Clocaenog Forest offers a variety of trails. For cycling, you can find routes like the Llyn Brenig — East Shore Gravel Track, suitable for gravel bikes or mountain bikes. Bod Petryal also features accessible walking and cycling routes, including the easy 0.6-mile 'Keeper's Stroll' and the 'Bod Petryal Trot' family-friendly cycle trail.
Yes, several spots are great for families. Bod Petryal is an idyllic picnic site with accessible trails. Alwen Dam is also a pleasant picnic spot. The 'Keeper's Stroll' at Bod Petryal is an easy walk, and the 'Bod Petryal Trot' is a family-friendly cycle trail.
You can find various hiking trails in the wider Clocaenog area. For specific routes, check out the Hiking around Clocaenog guide, which includes easy options like the 'Clocaenog Forest loop from Brynhyfryd' and moderate trails such as the 'Llys y Frenhines Monument – Forest Trail loop from Clocaenog'.
The lakes and surrounding Clocaenog Forest are rich in wildlife. Near Bod Petryal, you might spot woodpeckers. The broader forest is also home to red squirrels and the increasingly rare black grouse. Keep an eye out for various species while exploring the trails.
Yes, parking is available. Bod Petryal is specifically highlighted for its lakeside amenities, which include parking for visitors. Other car parks within Clocaenog Forest also provide access to various trails and viewpoints.
Bod Petryal is known as a peaceful lakeside picnic site. Additionally, Alwen Dam offers a pleasant spot for a picnic. While specific cafes aren't mentioned directly at the lakes, these areas provide excellent settings for outdoor dining.
For beginner hikers, the 'Keeper's Stroll' at Bod Petryal is an easy 0.6-mile walk. You can also find easy hiking routes in the broader area, such as the 'Clocaenog Forest loop from Brynhyfryd' or the 'Forest Trail – Llys y Frenhines Monument loop from Clocaenog', detailed in the Hiking around Clocaenog guide.
Absolutely. The Llyn Brenig — East Shore Gravel Track is a popular option for gravel bikes, sturdy hybrids, or mountain bikes. Bod Petryal also has the 'Bod Petryal Trot', a family-friendly cycle trail through the forest. For more cycling routes, explore the Road Cycling Routes around Clocaenog and MTB Trails around Clocaenog guides.
The area features notable man-made structures. The Alwen Dam, completed in 1920, is an ornate stone dam built to supply drinking water to Liverpool and the Wirral. Llyn Brenig itself is a reservoir constructed between 1973 and 1976.
While specific regulations for dogs vary, Clocaenog Forest is generally welcoming to dogs, especially on trails. It's always best to keep dogs on a lead, particularly around wildlife and livestock, and to clean up after them. Bod Petryal's trails are suitable for walks with pets.
The lakes are beautiful year-round. Spring and summer offer lush greenery and warmer weather ideal for picnics and longer walks. Autumn brings vibrant foliage, while winter can provide serene, crisp walks, though some facilities might have reduced hours. Wildlife viewing opportunities are present throughout the year.
Visitors frequently appreciate the serene views, especially from spots like Llyn Brenig. The peaceful picnic opportunities at Bod Petryal and Alwen Dam are also highly valued. Many enjoy the accessible trails for walking and cycling, and the chance to observe wildlife in a tranquil forest setting.


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