
📷 Photo by Bill Nicholls · CC BY-SA 2.0 · Wikimedia Commons
This sprawling network of 180 interconnected lakes stretches across the Wiltshire-Gloucestershire border, forming the UK's largest marl lake system.
What makes it remarkable is how it came about—historic gravel extraction transformed what could have been just industrial wasteland into a 42-square-mile landscape that's now genuinely thriving, both for people and wildlife.
There's genuinely something for everyone here. Water sports enthusiasts can sail, fish, paddleboard, or windsurf in the designated areas, while the country park offers a beach, family play spaces, and walking trails that meander through the rural villages dotted across the landscape. If you prefer a gentler approach, quiet lanes connect these small communities where you can pop into a local pub or grab supplies. The whole place rewards a bit of wandering.
The ecological importance here is significant too. The area is recognized as crucial for breeding and wintering birds, with wildlife trusts actively managing nature reserves throughout. Depending on the season, you might encounter cormorants, herons, or various migratory species.
Location-wise, you're looking south of Cirencester and northwest of Cricklade, making it easily accessible for a day trip. If you want to stay longer, holiday accommodation is available. It works brilliantly whether you're planning a specific activity like a sailing weekend or birdwatching trip, or you simply want a different perspective on the Cotswolds that moves beyond the traditional market towns.
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Photos

B. Nicholls · CC BY-SA 2.0 · Wikimedia Commons

V. Forward · CC BY-SA 2.0 · Wikimedia Commons