Best lakes around Gorseinon are primarily found in the surrounding area, offering diverse outdoor experiences. The region features several notable reservoirs, including Lower Lliw, Upper Lliw, and Swiss Valley, which are set within varied natural landscapes. These locations provide opportunities for walking, water sports, and wildlife observation.
Last updated: June 28, 2026
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This beautiful reservoir is framed by the stunning mountain scenery of the Brecon Beacons. From the vantage point of the Swidd Valley Trail, you can enjoy a great view of the reservoir and its picturesque surroundings.
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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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Penllergare’s iconic waterfall is a manmade feature constructed on the River Llan to provide an ornamental lake.
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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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The lakes around Gorseinon offer a variety of outdoor activities. You can enjoy walking and hiking, with easy paths available at Upper Lliw Reservoir, which connects to the Gower Way. Water sports like canoeing and stand-up paddleboarding are popular at Swiss Valley Reservoir (Lower Lliedi Reservoir) and also possible at Upper Lliw Reservoir. Birdwatching is excellent at Lower Lliw Reservoir and the WWT Llanelli Wetland Centre. Cycling is also an option, particularly along the cycle path at Swiss Valley Reservoir.
Yes, several lakes around Gorseinon are family-friendly. Swiss Valley Reservoir (Lower Lliedi Reservoir) and Upper Lliw Reservoir are great for walks and gentle cycling. The WWT Llanelli Wetland Centre is a vast area with ponds and enclosures perfect for birdwatching and exploring with children. Additionally, Penllergare Waterfall offers an engaging walk to a man-made waterfall and ornamental lake.
For birdwatching and nature observation, Lower Lliw Reservoir is an excellent choice. It's surrounded by diverse habitats and is known for sightings of Peregrine, Kestrel, Raven, Wheatear, Meadow Pipit, Skylark, Whinchat, Red Kite, and Curlew. The WWT Llanelli Wetland Centre also offers extensive opportunities for birdwatching, with a wide variety of native and exotic birds.
Yes, there are accessible paths. The south side of Lower Lliw Reservoir features an accessible path that connects to the Upper Reservoir. Upper Lliw Reservoir also offers easy walking along its eastern and southern edges, which are part of the Gower Way. While some circular paths closer to the shore at Lower Lliw Reservoir have steep steps, the main accessible routes provide enjoyable experiences.
Absolutely. Swiss Valley Reservoir (Lower Lliedi Reservoir) features a lovely cycle path. You can also cycle around Upper Lliw Reservoir, through the forest, and onto the Rhyd y Pandy Road if you have a mountain or gravel bike. For more cycling options, explore routes like the 'View of the Loughor Estuary – WWT Llanelli Wetland Centre loop from Gorseinon' or the 'Clyne Valley Cycle Path – Swansea Bay loop from Gorseinon' which can be found in the Cycling around Gorseinon guide.
The prime destination for water sports is Swiss Valley Reservoir (Lower Lliedi Reservoir), where you can canoe or SUP. Organised tours are available, or you can self-launch with permission. These activities are also possible at Upper Lliw Reservoir.
While many lake paths offer easy walking, some sections, like parts of the circular path closer to the shoreline at Lower Lliw Reservoir, feature steep steps. For a more challenging experience, the trail to Penllergare Waterfall is described as challenging. You can also find various hiking routes in the Easy hikes around Gorseinon guide, some of which might offer more varied terrain.
The lakes offer stunning natural features and viewpoints. Lower Lliw Reservoir is set amongst the beautiful mountain scenery of Mawr. Upper Lliw Reservoir provides expansive views, especially along the Gower Way. You can also visit the man-made Penllergare Waterfall, which creates an ornamental lake.
While specific public transport routes directly to each reservoir are not detailed, the lakes are generally located in the surrounding area of Gorseinon. It's advisable to check local bus services for routes that may pass near the reservoirs or offer connections from Gorseinon.
The lakes around Gorseinon can be enjoyed year-round. Spring and summer are ideal for water sports, longer walks, and observing wildlife. Autumn offers beautiful foliage, while winter provides a tranquil, often crisp, experience, though some paths might be more challenging. Birdwatching is particularly rewarding during migration seasons.
While specific dog-friendly policies for each lake are not explicitly stated, many outdoor areas in the UK welcome dogs on leads. It's generally recommended to keep dogs under control, especially in nature reserves or areas with livestock and wildlife, such as around Lower Lliw Reservoir. Always check local signage for any restrictions.
There is a cafe in the car park at Upper Lliw Reservoir, though it's noted to take cash only. Additionally, a pub with good food is mentioned just off the cycle path near Swiss Valley Reservoir (Lower Lliedi Reservoir). For more options, exploring nearby towns or villages would be recommended.


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