Top 9 Lakes around the the River Severn
Best lakes around the the River Severn are integral to the region's landscape, offering diverse natural beauty and recreational opportunities. The area features both natural lakes and significant man-made reservoirs, many of which play a crucial role in water management and flood mitigation for the River Severn. These bodies of water provide important habitats for wildlife and serve as popular destinations for outdoor activities. Visitors can explore a variety of severn lakes, from large reservoirs to smaller, tranquil pools.
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Last updated: April 27, 2026
Trimpley Reservoir
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Clywedog Dam
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Horsehay Pool
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Llyn Clywedog Reservoir and Dam
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Apperley Village Pond and Church
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Castle Pools, Little Dawley
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Chelmarsh Reservoir
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Clifton Quarry
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Popular around Severn
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Tips from the Community
Built primarily to regulate the flow of water in the River Severn, the Clywedog Dam is an impressive sight. It's the tallest concrete dam in Britain, at 236 feet (72 m) high, while it's also 750 feet (230 m) wide. There are two marked hiking trails on the reservoir.
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These disused and now flooded gravel pits are now a haven for all manner of ducks, waders and geese. The area is also perhaps surprisingly quiet so the birds don't get disturbed, and so if you are a bird watcher, this is a great place to go.
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Llyn Clywedog was the Tallest in the British Isle built purposely to control the level of water to help prevent any future flooding from the source of the River Seven. By Building this absolutely incredible huge 6 mile long dam, one that was the tallest in the British isles, which is amazingly huge in actual size all around! This mammoth body of water is solely to take the huge pressure off the constant mass of floods which would fill up and submerge the surrounding valleys! At the foot of the dam there is a remains of a old lead mine! All structures you can see standing still today. HIGHLY RECOMMEND
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Llyn Clywedog is a man made reservoir built between 1965 and 1967 to help regulate the flow of water in the Severn. It's also used to reduce the risk of flooding up and downstream. Amusing comparison but the lake holds the equivalent of 264 billion glasses of water or 550 million baths. The area around the lake is a well kept habitat for many birds and animals including recent visits from ospreys. The lake is well stocked with trout and a popular fishing destination.
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The reservoir was created to supplement the Elan Valley pipeline, which brings wonderful Welsh water all the way to Birmingham to supply our customers. Before the reservoir was built the land belonged to part of Eymore Farm, and so was mainly agricultural in use. The construction on the reservoir started in 1964 and was completed in 1968. The top reservoir provides water to the Elan Valley Aqueduct which in turn supplies water to Birmingham, Mamble and Tenbury. The reservoir has no natural feed, and so the water is pumped from the nearby River Severn. This is then spread over the collecting pool, and piped to the waterworks to be treated and filtered. The reservoirs’ perimeter is 29 acres and it is approximately 3ft deep. This increases to 40ft by the valve tower. Trimpley is ideal for bird watching. During autumn and spring, gulls, waders and terns pause here on migration. Other birds you might see throughout the year are kingfishers and grey herons. Eymore Wood also shelters a variety of birdlife, including pheasants, cuckoos and woodpeckers.
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Frequently Asked Questions
What types of lakes can I explore around the River Severn?
The region offers a diverse range of lakes, including significant man-made reservoirs like Trimpley Reservoir and Clywedog Dam, natural pools such as Horsehay Pool, and even disused, flooded quarries like Clifton Quarry. Many play a crucial role in water management for the River Severn.
Are there family-friendly lakes for visits with children?
Yes, several lakes are suitable for families. Trimpley Reservoir, Horsehay Pool, Clywedog Dam, Apperley Village Pond and Church, Castle Pools, Little Dawley, and Chelmarsh Reservoir are all categorized as family-friendly, offering various activities and scenic spots.
Where can I go for birdwatching around the Severn lakes?
For birdwatching, Trimpley Reservoir is an excellent choice, especially during autumn and spring migrations when gulls, waders, and terns pause there. You might also spot kingfishers and grey herons. Clifton Quarry, with its disused and flooded gravel pits, is another quiet spot for observing ducks, waders, and geese.
What historical or engineering marvels can I see at these lakes?
The Clywedog Dam is a significant engineering marvel, standing as Britain's tallest concrete dam at 72 meters high and 230 meters wide. It was built between 1965 and 1967 to regulate the River Severn's flow and prevent flooding. Horsehay Pool also has historical significance, as it was originally a stream dammed for the Horsehay Ironworks.
Are there opportunities for walking or hiking near the lakes?
Yes, many lakes offer walking opportunities. Trimpley Reservoir is popular for walks, though cycling is not permitted around its perimeter. Llyn Clywedog Reservoir has two marked hiking trails. For more options, you can explore various easy hikes around the River Severn, including routes near Trimpley Reservoir.
Can I engage in watersports at any of the lakes?
Chelmarsh Reservoir is a significant watersports facility, hosting angling and sailing clubs. While Trimpley Reservoir occasionally has sailboats, swimming is not permitted due to deep water.
What are some lesser-known or 'hidden gem' lakes in the area?
Castle Pools in Little Dawley is considered a hidden gem, great for walking and fishing, with plenty of ducks. Clifton Quarry, consisting of disused and flooded gravel pits, offers a surprisingly quiet spot for birdwatching away from the crowds.
What outdoor activities, besides walking, are available near these lakes?
Beyond walking, the region around the River Severn offers various outdoor activities. You can find MTB trails, including routes like the Ironbridge loop, and running trails such as the Shrewsbury River Severn Loop. These guides provide options for different sports and difficulty levels.
Are there any lakes that are particularly good for fishing?
Llyn Clywedog Reservoir is well-stocked with trout, making it a popular destination for fishing enthusiasts. Castle Pools, Little Dawley is also noted as a good spot for fishing.
What do visitors enjoy most about the lakes around the River Severn?
Visitors appreciate the diverse natural beauty and recreational opportunities. Many enjoy the peaceful walks around reservoirs like Trimpley Reservoir, the impressive engineering of Clywedog Dam, and the tranquil birdwatching at spots like Clifton Quarry. The blend of natural habitats and man-made structures provides a unique experience.
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Most popular attractions around the the River Severn
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Still not found your perfect lake around the the River Severn? Check out the guides of these regions to see even more beautiful places.
