Best lakes around Llandovery are situated on the edge of the Brecon Beacons, offering a landscape of reservoirs and glacial lakes. The area is characterized by its mountainous terrain, including parts of the Cambrian Mountains, providing diverse outdoor experiences. Visitors can explore large reservoirs like Llyn Brianne and Usk Reservoir, alongside more secluded glacial lakes such as Llyn y Fan Fach and Llyn y Fan Fawr. These natural features provide opportunities for walking, cycling, and enjoying the Welsh countryside.
Last updated: October 16, 2026
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A short climb up from the road brings you to the Dam and carpark, there is no access over the Dam itself. But you do get a good view over the spillway and valley below.
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Lovely mix of fire road to start with and then a huge climb up and over into a valley that time forgot - perfect single track - although can be a bit muddy in places. Probably best to make sure there has not been too much rain in the week before riding this route - and in the winter be prepared for quick changes of weather and plummeting temperatures.
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Usk Reservoir is a remote 280-acre reservoir below the Black Mountain. Popular for walking, cycling and the reservoir is regarded as offering the best still water trout fishing in Wales. The best time to visit here is at sunset, when most people have headed home.
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The road that snakes its way around Llyn Brianne Reservoir is spectacular and dizzying in equal measure
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Super fast gravel track around the west side of Llyn Brianne. Probably very scenic when the sun's out - fog & rain the day I did it!
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Really nice area. If the Hydro is working you get to see a spectacular water feature!
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Great views. Some good stopping points for a sandwich and even a beach. If you cross the dam going clockwise round the surface is gravel so be aware of bike and tyre choice for the whole ride around the lake. A lot of the gates are locked and you will need to lift bikes over them if you cross the dam. There were a lot of motorbikes in groups on the sunny day we went. Undulating Road with some long down hill sections and steep climbs adds to the enjoyment of the ride.
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The wide and easy gravel road snakes around the western shores of the Llyn Brianne Reservoir, which dates back to the late '60s to service Swansea and Neath. It's gently undulating with no sharp climbs and can be pretty fast — enjoy!
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For a scenic walk, the area around Usk Reservoir offers a brilliant track suitable for walking or riding. If you're looking for a more challenging hike with stunning views and folklore, the route to Llyn y Fan Fach is highly recommended, starting from a car park past Llanddeusant. For a mix of terrain, Llyn Brianne features both brilliant gravel and forestry roads for walking, as well as smooth tarmac sections.
Yes, Usk Reservoir is known for its family-friendly trails, offering an easy route for walking or riding. The paths are generally accessible, making it a good choice for families with children. For more options, you can explore various easy hikes around Llandovery, including routes like the 'Forest Stream – Rhaeadr Valley Waterfall loop' or 'Llandovery Castle Ruins loop', which are detailed in our Family-friendly hikes around Llandovery guide.
The terrain varies significantly. Around Llyn Brianne, you'll find a mix of wide, hard-packed gravel and forestry roads on one side, and smooth tarmac on the other, offering gently undulating paths. The route to Llyn y Fan Fach involves an uphill hike through remote, rugged mountain terrain alongside a river. Usk Reservoir generally offers a brilliant, easy track suitable for most bikes and walkers.
For Llyn y Fan Fach, there is a car park available past the village of Llanddeusant, which serves as the starting point for the four-mile hike to the lake. Parking facilities are also available at Llyn Brianne, allowing access to its scenic roads and viewpoints. Usk Reservoir also has designated parking areas for visitors.
The region is rich in natural beauty. Llyn Brianne, a large reservoir, is surrounded by the picturesque Cambrian Mountains, often referred to as 'Little Switzerland'. You'll see impressive views from the Llyn Brianne Dam, the largest stone-built dam of its kind in Europe. Llyn y Fan Fach and Llyn y Fan Fawr are stunning glacial lakes nestled within wild mountain massifs, offering unspoilt panoramic views of the Brecon Beacons and rugged mountainous terrain.
Wild swimming is popular in some of the lakes. Llyn y Fan Fawr is considered more suitable for wild swimming than its counterpart, Llyn y Fan Fach, and attracts many swimmers. While Llyn y Fan Fach was once a secret spot, signs now discourage swimming due to its depth and cold temperatures. Always exercise caution and be aware of conditions when considering wild swimming.
The lakes around Llandovery offer beauty throughout the year, but the best time depends on your activity. Spring and summer provide warmer weather ideal for walking, cycling, and picnics, with lush green landscapes. Autumn brings spectacular colours to the surrounding forests. Winter can offer dramatic, misty, and tranquil scenes, though some paths might be more challenging due to weather conditions. Always check local forecasts before your visit.
Absolutely! Llyn Brianne is a fantastic destination for cyclists. One side of the reservoir features brilliant gravel and forestry roads, perfect for mountain biking or gravel cycling, including the popular Llyn Brianne Gravel Road which is gently undulating and fast. The other side offers smooth tarmac for road cyclists. Usk Reservoir also has a track suitable for most bikes with 35mm+ wheels.
The tranquil environments of these lakes are ideal for bird watching. Llyn Brianne, in particular, is a haven for bird watchers. The remote and natural settings of Llyn y Fan Fach and Llyn y Fan Fawr also provide habitats for various local wildlife, offering opportunities to observe native species in their natural environment.
Many trails around the Llandovery lakes are dog-friendly, making them great for walks with your canine companion. However, it's always best to keep dogs on a lead, especially in areas with livestock or ground-nesting birds, and to follow the Countryside Code by cleaning up after your dog. Specific rules may apply in certain protected areas, so look out for local signage.
Llyn y Fan Fach is renowned for its ethereal beauty, offering unspoilt panoramic views of the Brecon Beacons, especially on misty days. What truly sets it apart is its deep connection to Welsh legend, most famously the tale of the Lady of the Lake. This folklore adds a magical quality to the already stunning, secluded glacial lake, making it a truly immersive experience for hikers.
Llyn Brianne is an outdoor enthusiast's paradise. It's popular for cycling on its brilliant gravel and forestry roads, as well as smooth tarmac sections. Walking, bird watching, and mountain biking are also common. The reservoir is a haven for fishermen, with opportunities for angling for sea trout and salmon, and boating (non-motorized) is also enjoyed on its waters.


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