Best lakes around Betws Gwerfil Goch include prominent bodies of water in the surrounding area, as the village itself features a small stream that eventually meets the River Alwen. The region is characterized by its upland scenery, with man-made reservoirs like Llyn Brenig being central to its outdoor offerings. These lakes provide opportunities for various activities and are set amidst forest and moorland.
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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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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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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The most prominent lake in the area is Llyn Brenig, a large man-made reservoir known for its extensive outdoor activities and stunning views. Another notable spot is Alwen Dam, an ornate stone dam that forms part of the Alwen Reservoir.
Llyn Brenig is a hub for outdoor enthusiasts. You can enjoy walking, cycling, fishing, and various watersports seasonally. There are also cycle hire facilities and mountain biking trails. The area offers over 2500 acres of forest, moorland, and lakes to explore. For cycling, consider routes like the Dee Valley & Bala Lake loop. For running, the Llyn Brenig Visitor Centre loop is a popular choice.
Yes, Llyn Brenig is very family-friendly. The visitor centre offers an adventure playground and picnic areas. Many trails, such as the Llyn Brenig viewpoint, are suitable for families. The Alwen Dam also provides a pleasant spot for a family picnic.
Llyn Brenig is a haven for wildlife. It's notably home to rare nesting ospreys, which can be observed from April to the end of August. You might also spot pine martens, red squirrels, and sand martins in the area. The visitor centre often has live streams from the osprey nests.
Yes, there are numerous walking trails. Around Llyn Brenig, you'll find paths ranging from gentle strolls to more challenging routes. The Llyn Brenig — East Shore Gravel Track is an intermediate trail suitable for walking, offering views of the water and local wildlife. Many trails offer beautiful views and can be a lovely antidote to busier areas.
Absolutely. Llyn Brenig offers extensive cycling opportunities. The Llyn Brenig — East Shore Gravel Track is a long, winding doubletrack gravel road, best suited for gravel bikes, sturdy hybrids, or mountain bikes due to some rougher sections. Cycle hire facilities are also available at the visitor centre.
Llyn Brenig features a visitor centre that is open year-round. It includes a café, a gift shop, an adventure playground, and picnic areas, all offering panoramic views of the reservoir. There are also facilities for cycle hire and fishing.
Many trails around Llyn Brenig are dog-friendly, but it's always best to keep dogs on a lead, especially given the presence of wildlife and livestock in the surrounding moorland. Please check specific signage at the visitor centre or trailheads for any restrictions.
The lakes, particularly Llyn Brenig, offer activities year-round. Spring and summer are ideal for watersports, cycling, and observing nesting ospreys (April to August). Autumn provides beautiful scenery with changing foliage, while winter offers a peaceful, crisp atmosphere for walks, though some facilities or activities might be seasonal.
Yes, Llyn Brenig has an archaeological trail that passes several stone circles, including the impressive Brenig 51, a 22m Bronze Age cairn. The Alwen Dam itself is a significant historical monument, completed in 1920 to provide drinking water.
The Llyn Brenig Visitor Centre has a café with panoramic views of the reservoir. For additional options, you would typically find pubs and cafes in nearby villages and towns, as Betws Gwerfil Goch itself is a small village.
Llyn Brenig has parking facilities available at its visitor centre. While Betws Gwerfil Goch is a small village, public transport options to the lakes might be limited, so checking local bus schedules in advance is recommended. Many visitors choose to drive to the main visitor areas.


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