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Anglesey

Llannerch-Y-Medd

Top 6 Lakes around Llannerch-Y-Medd

Best lakes around Llannerch-Y-Medd are found in the heart of Anglesey, Wales, a region characterized by its diverse natural landscapes. The area features several notable lakes, including significant reservoirs and natural lagoons. These bodies of water serve as important habitats for wildlife and offer various recreational opportunities. The local environment provides a setting for outdoor activities such as walking, birdwatching, and fishing.

Best lakes around Llannerch-Y-Medd

  • The most popular lakes is Llyn Cefni Reservoir and Dam, a man-made reservoir…

Last updated: June 30, 2026

Llyn Cefni Reservoir and Dam

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Llyn Cefni is a reservoir in central Anglesey. It's managed by Welsh Water. It was completed in 1951 and supplies water to most of Anglesey.

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Moelfre Harbour and Waterfall

Highlight • Settlement

Moelfre is a pretty village on the eastern coast of Anglesey with views out across the Irish Sea towards the Forest of Bowland and the Lake District.

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Cemaes Harbour and Village

Highlight • Settlement

The most northerly village is Wales. Some good places to stop you will also see the wind farm from the road.

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Llyn Cerrig Bach

Highlight • Historical Site

A spectacular spot not just for the scenery, bit as its next to the RAF base you have a good chance to spot some of the jets coming in and out.

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Cemlyn Bay Nature Reserve

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Managed by the North Wales Wildlife Trust, Cemlyn Bay is a little wildlife haven nestled on the Anglesey coast. The shingle ridge and lagoon attract spectacular seabird colonies and a wide range of colourful butterflies and aquatic plants.

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Popular around Llannerch-Y-Medd

Hiking around Llannerch-Y-Medd

Cycling around Llannerch-Y-Medd

Running Trails around Llannerch-Y-Medd

Road Cycling Routes around Llannerch-Y-Medd

MTB Trails around Llannerch-Y-Medd

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AWM
February 21, 2026, Llyn Cefni Reservoir and Dam

We visited for the Parkrun, which was cancelled whilst a walkway is fixed (some more weeks, I would expect). You can still access the lake along the disused railway line for part of the way - but not a good surface for running. Then there is a path around the lake with views across the lake and stretches through the woods, lovely, if rather muddy in places following wet weather. In total about 9 km around. Hope to do this again in the Spring with the promise of wild daffodils and perhaps a red squirrel.

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Quiet paths easy cycling crosses deserted railway line still present, which there trying to reopen

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Always worth a trip to the Lifeboat station and the RNLI museum followed by dinner in the Kinmel Arms

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The most northerly village is Wales. Some good places to stop you will also see the wind farm from the road.

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Small town with a nice harbour and promenade. There’s a stall serving coffee, ice-cream and pizza at the promenade car park, as well as a few cafes and ice-cream parlours on the main high street although there’s nowhere to really leave a bike there.

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Ann’s Pantry, just above the harbour, is a good coffee or lunch stop, with outdoor seating at the front for easy access for cyclists.

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Moelfre is a village, a community and, until 2012, an electoral ward on the north-east coast of the Isle of Anglesey in Wales. The community area covers the village and harbour, and several smaller, dispersed settlements. It includes six scheduled Iron Age hut groups and many other sites of archaeological interest.

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During World War II, a water scheme was devised for the town of Llangefni in central Anglesey. It involved water from a local source being pumped to two settling tanks in the Dingle part of the town. From here the water was pumped across the river to a reservoir and water tower, on the site of the present Pennant Estate. These arrangements became redundant with the building of the Cefni Reservoir, which was completed in 1951, but the settling tanks and pumping station survive in Llangefni to this day. The new scheme was designed to supply most of the water needs for the people of Anglesey for the foreseeable future.

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Frequently Asked Questions

What are the main types of lakes found around Llannerch-Y-Medd?

The area around Llannerch-Y-Medd features a variety of lakes, including significant water supply reservoirs like Llyn Alaw and Llyn Cefni Reservoir and Dam, natural lagoons such as those found at Cemlyn Bay Nature Reserve, and dedicated fishing complexes like Llyn y Gors.

Are there good walking or hiking opportunities near the lakes?

Yes, there are numerous walking and hiking opportunities. For example, Llyn Cefni offers well-defined paths through meadows and forests, popular with dog walkers. Llyn Alaw also has a network of paths and serves as the starting point for one of Anglesey's main cycle trails. You can find various routes, including easy hikes, in the area. Explore more options in the Easy hikes around Llannerch-Y-Medd guide.

Which lakes are best for birdwatching and wildlife spotting?

Llyn Alaw is a designated Site of Special Scientific Interest (SSSI) and is excellent for birdwatching, especially for overwintering birds like Eurasian Teal and Whooper Swan. Cemlyn Bay Nature Reserve is also a significant wildlife haven, known for attracting spectacular seabird colonies, including Sandwich, common, and Arctic terns, as well as a wide range of butterflies.

Can I go fishing at the lakes near Llannerch-Y-Medd?

Absolutely. Fishing is a popular activity. Llyn Alaw supports a recreational trout fishery, stocked with rainbow trout. Llyn Cefni Reservoir and Dam has been managed as a fishery since 1952. For dedicated anglers, Llyn y Gors is a renowned complex with seven lakes catering to various fishing preferences, stocked with diverse species including carp, pike, and catfish.

Are there family-friendly activities available at these lakes?

Many of the lakes offer family-friendly experiences. Llyn Alaw has picnic sites and bird hides, and its paths are suitable for exploration. Llyn Cefni Reservoir and Dam and Cemlyn Bay Nature Reserve are also listed as family-friendly. Llyn y Gors even has a dedicated Beginners Lake for novice anglers and children.

What historical sites are located near the lakes?

Near the lakes, you can find Llyn Cerrig Bach, a small lake famous for the discovery of over 150 Iron Age metal objects, considered one of the most important finds of Iron Age metalwork in the British Isles. Additionally, Moelfre Harbour and Waterfall is a village with archaeological interest.

Are there cycling routes around the lakes?

Yes, cycling is a great way to explore the area. Llyn Alaw serves as the starting point for one of Anglesey's main cycle trails, and access to Llyn Cefni is facilitated by the Lôn Las Cefni cycleway. You can find mountain biking trails in the area, such as those detailed in the MTB Trails around Llannerch-Y-Medd guide.

What amenities are available for visitors at Llyn Alaw?

Llyn Alaw provides several amenities for visitors, including picnic sites, bird hides, and a visitor centre near the dam on its western end. There is also a network of paths for walking and exploration.

Where can I find parking for visiting the lakes?

Car parks are available at various points around the lakes. For instance, Llyn Cefni has car parks at its southwestern and northeastern points, making it easily accessible from Llangefni. Llyn Alaw also offers parking near its visitor centre.

What makes Llyn Cefni a significant lake in the region?

Llyn Cefni Reservoir and Dam is the second-largest man-made lake on Anglesey and serves as a crucial drinking water supply for the island. It also features a nature reserve along its northeastern end, offering conservation efforts and well-defined paths for walking and wildlife observation.

Are there any running trails near the lakes?

Yes, the area offers various running trails. You can find routes that incorporate the natural beauty around the lakes. For more detailed options, refer to the Running Trails around Llannerch-Y-Medd guide.

What is unique about Llyn y Gors?

Llyn y Gors is unique as a dedicated fishing complex, boasting seven distinct lakes designed for various fishing preferences and skill levels. It offers a wide variety of fish species, including large carp and catfish, and provides amenities like an on-site tackle shop and self-catering accommodation, making it a comprehensive destination for anglers.

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Still not found your perfect lake around Llannerch-Y-Medd? Check out the guides of these regions to see even more beautiful places.

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