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Carmarthenshire

Llannon

Top 8 Lakes around Llannon

Best lakes around Llannon are found in its immediate vicinity, offering diverse natural features and activities. The area is characterized by a mix of man-made reservoirs and historic estate lakes, providing opportunities for outdoor recreation. These water bodies contribute to the region's natural landscape, supporting various ecosystems and visitor experiences. Llannon serves as a gateway to exploring these aquatic environments.

Best lakes around Llannon

  • The most popular lakes is Swiss Valley Reservoir (Lower Lliedi Reservoir), a reservoir that is…

Last updated: August 24, 2026

Upper Lliw Reservoir

Highlight • Structure

Easy walking along the Eastern and Southern edges of the reservoir, courtesy of the Gower Way (a 35-mile path linking Penller Castell to Rhossili if you fancy stretching your legs a little further).

Fantastic views.

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WWT Llanelli Wetland Centre

Highlight • Viewpoint

Llanelli's wetland centre is a vast area of ponds, marshes and enclosures. There's plenty of amazing birdwatching to be had here, from native herons to Caribbean flamingoes calling the centre …

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Great place to canoe or SUP. Organised tours can be arranged or you can self-launch, with permission.

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Penllergare Waterfall

Highlight • Lake

Penllergare’s iconic waterfall is a manmade feature constructed on the River Llan to provide an ornamental lake.

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Llewellyn Bridge and Waterfall

Highlight • Waterfall

Llewellyn Bridge is a Victorian stone-bridge that was reconstructed in 2013. Close-by is the iconic waterfall and Penllergare Upper Lake.

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Popular around Llannon

Hiking around Llannon

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Tips from the Community

Kimbernie
August 4, 2024, Swiss Valley Reservoir (Lower Lliedi Reservoir)

Lovely cycle path. Nice pub on route just off of cycle path with good food but a little expensive. Route has nice views

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Nice gravel track down to the reservoir with lovely views. Track down can get muddy but good fun. Do-able on a gravel bike

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Llewellyn Bridge is a Victorian stone-bridge that was reconstructed in 2013. Close-by is the iconic waterfall and Penllergare Upper Lake.

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Adie
January 4, 2023, Penllergare Waterfall

Penllergare’s iconic waterfall is a manmade feature constructed on the River Llan to provide an ornamental lake.

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Adie
November 23, 2022, Upper Lliw Reservoir

Easy walking along the Eastern and Southern edges of the reservoir, courtesy of the Gower Way (a 35-mile path linking Penller Castell to Rhossili if you fancy stretching your legs a little further). Fantastic views.

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Great place to canoe or SUP. Organised tours can be arranged or you can self-launch, with permission.

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Cyclists need to be aware of vehicles and walkers using the road between the Lower and Upper reservoir.

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The lower reservoir is not suitable to go around. There are steep steps at one end.

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Frequently Asked Questions

What are the best lakes for walking and cycling near Llannon?

The Swiss Valley Reservoir (Lower Lliedi Reservoir) is excellent for both. It features a two-mile woodland walk and is part of the Swiss Valley Cycle Route, which is also National Cycle Route 47. You can enjoy a traffic-free path between Llanelli and Cross Hands. Additionally, Penllergare Valley Woods offers over 12km of walks, including the old Carriage Drive, around its two historic lakes.

Are there family-friendly lakes to visit around Llannon?

Yes, several lakes are suitable for families. The Swiss Valley Reservoir (Lower Lliedi Reservoir) is popular for its easy walks and cycling paths. Penllergare Valley Woods, with its extensive woodland trails and historic features, is also a great family destination. For wildlife enthusiasts, the WWT Llanelli Wetland Centre offers engaging birdwatching opportunities for all ages.

Where can I go birdwatching or see wildlife near Llannon's lakes?

The WWT Llanelli Wetland Centre is a prime location, known for its diverse bird species, including native herons and Caribbean flamingoes. The Swiss Valley Reservoirs are also good for birdwatching and general wildlife spotting. Penllergare Valley Woods is an 'oasis of biodiversity,' home to kingfishers, dippers, otters, and European eels, with vibrant bluebells and wood anemones in spring and summer.

Are there any historic sites or unique natural features around the lakes?

Penllergare Valley Woods is a significant historic site, once a Victorian estate owned by John Dillwyn Llewelyn. It features a spectacular man-made waterfall on the River Llan, created in 1839, and two historic lakes. The Swiss Valley Reservoirs themselves have historical significance as they were built in the late 19th and early 20th centuries to supply water to Llanelli and Llannon.

What water-based activities are available at the lakes near Llannon?

At the Swiss Valley Reservoir (Lower Lliedi Reservoir), you can enjoy regulated angling with a permit, as well as canoeing and stand-up paddleboarding. Organized tours are available, or you can self-launch with permission. LiveFree Adventures operates from Swiss Valley, offering equipment hire and courses.

Are there accessible paths for wheelchairs or strollers around the lakes?

The Swiss Valley Reservoirs offer relatively easy walking paths. The Swiss Valley Cycle Route, which passes the reservoir, is a traffic-free path. For the Lower Lliw Reservoir, there is an accessible path to the South that leads to the Upper Reservoir, though the circular path closer to the shoreline has steep steps in places. Penllergare Valley Woods also has extensive woodland walks, some of which are suitable for various mobility levels.

Where can I find parking when visiting the lakes?

Car parks are available at the Swiss Valley Reservoirs, with the Lower Lliedi Reservoir car park conveniently located off the A476 Llannon Road. Penllergare Valley Woods also offers a paid car park for visitors.

What are the best times of year to visit the lakes near Llannon?

The lakes are beautiful year-round. Spring and summer are ideal for enjoying the vibrant bluebells and wood anemones in Penllergare Valley Woods and for water activities at Swiss Valley. Autumn offers stunning colors in the woodlands. The area is also popular for winter walking, offering a different kind of tranquil beauty.

Are there any cafes or amenities near the lakes?

Penllergare Valley Woods has a community-run coffee shop on-site. For the Upper Lliw Reservoir, there is a cafe in the car park, but note that it only takes cash. The Swiss Valley area has amenities, and efforts are being made to improve visitor facilities, though public toilets have been intermittently closed.

What kind of outdoor activities can I do near Llannon's lakes besides walking and cycling?

Beyond walking and cycling, you can explore various routes. For mountain biking, consider the MTB Trails around Llannon, which include routes like the 'Mynydd Pysgodlyn – Lower Lliw Reservoir and Café loop'. Running enthusiasts can find trails in the Running Trails around Llannon guide, such as the 'Llyn Llech Owain Lake – Cwtsh Y Coed Café loop'. For general cycling, the Cycling around Llannon guide offers options like the 'Swiss Valley Cycle Path – Cwm Lliedi Reservoir loop'.

Can I bring my dog to the lakes around Llannon?

Many of the walking trails around the lakes are dog-friendly. The two-mile woodland walk around the Swiss Valley Reservoirs is popular with dog-walkers. Penllergare Valley Woods also welcomes dogs on its extensive woodland trails, making it a great spot for a walk with your canine companion.

What makes the Lower Lliw Reservoir unique for nature lovers?

The Lower Lliw Reservoir is set amidst stunning mountain scenery and is surrounded by diverse habitats including bracken, scrub, grass, and woodland. This supports a variety of wildlife, making it an excellent spot for birding. Keep an eye out for Peregrine, Kestrel, Raven, Wheatear, Meadow Pipit, Skylark, Whinchat, Red Kite, and Curlew, all of which have been spotted here.

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

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