Best lakes around Thornby are primarily reservoirs, offering a blend of natural beauty and recreational opportunities in Northamptonshire. The region is characterized by its rolling countryside and significant water bodies, many of which were historically built to supply water. Thornby, Northamptonshire, features numerous walking trails through fields and woodlands, allowing visitors to immerse themselves in nature. These lakes provide diverse landscapes for outdoor activities, from tranquil walks to watersports.
Last updated: October 15, 2026
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Pitsford Dam is an expansive reservoir surrounded by countryside. It was completed in the 1950s and serves as a vital water supply for the region. There are walking and cycling paths surrounding the lake and lots of beautiful landscaps and wildlife.
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Ravensthorpe reservoir and weir was built in 1890 to supply water to Northampton. Today you can wander around the beautiful water source and enjoy bird-watching, fishing, or just an opportunity to get some fresh air.
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Idyllic spot for a picnic as well as a regular hang-out spot for some of our feathered friends such as geese and swans, and some rarer species such as the ring-necked duck and common crane.
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Built to supply water to the nearby Grand Union Canal, Welford and Sulby Reservoirs are wonderfully scenic. Keep your eyes peeled for carp beneath the surface. A loop of Welford Reservoir is an easy walk from nearby Welford, where there are also peaceful walking options along the canal.
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The lakes around Thornby offer a variety of activities. You can enjoy walking, cycling, fishing, and birdwatching at places like Pitsford Water at Brixworth Country Park and Ravensthorpe Reservoir Weir. Pitsford Water is also popular for sailing, windsurfing, and kayaking. For dedicated watersports and fishing, Grendon Lakes is a significant complex with multiple lakes. Open-water swimming is available at Bare Hill Lakes.
Yes, several lakes are great for families. Pitsford Water at Brixworth Country Park offers children's play areas, a gnome trail, and scavenger hunts, along with accessible paths for pushchairs. Welford and Sulby Reservoirs and Ravensthorpe Reservoir Weir are also considered family-friendly, providing peaceful walking options and fresh air. Grendon Lakes has a clubhouse with pool tables and toy areas for children.
Birdwatching is a popular activity at several lakes. Ravensthorpe Reservoir Weir is a great spot for bird-watching. Pitsford Water at Brixworth Country Park includes the Pitsford Water Nature Reserve, managed by the Wildlife Trust, which is crucial for wintering wildfowl and boasts over 60 breeding bird species, with bird hides available. The Lakeside Picnic and Birdwatching Spot is also an idyllic location to observe various feathered friends, including rarer species.
Yes, fishing is a popular activity. Pitsford Water at Brixworth Country Park is known for trout and pike fishing, with permits required. Ravensthorpe Reservoir Weir also offers fishing opportunities. Grendon Lakes has ten lakes dedicated to excellent fishing, and Naseby Reservoir is another option.
For walking and cycling, Pitsford Water at Brixworth Country Park is excellent, featuring a well-marked, hard-surfaced seven-mile track around the reservoir. Brixworth Country Park itself provides accessible walking and cycling paths. Welford and Sulby Reservoirs offer peaceful walking options along the canal. You can find more routes in the Easy hikes around Thornby guide.
Many of the lakes around Thornby are historically significant reservoirs. For example, Ravensthorpe Reservoir Weir was built in 1890 to supply water to Northampton. Similarly, Welford and Sulby Reservoirs were constructed to supply water to the Grand Union Canal.
Yes, Pitsford Water at Brixworth Country Park is designed to be user-friendly for all, including visitors with disabilities, offering accessible walking and cycling paths around the reservoir suitable for pushchairs and wheelchairs.
The lakes are enjoyable year-round, but spring and summer offer the best weather for outdoor activities like cycling, walking, and watersports. Autumn provides beautiful scenery, and winter can be good for birdwatching, especially for wintering wildfowl at Pitsford Water Nature Reserve.
Yes, Brixworth Country Park, adjacent to Pitsford Water, has a cafe. Grendon Lakes features an Alpine clubhouse with a licensed bar and restaurant, offering snacks, meals, and drinks with picturesque views. The nearby villages also offer various options.
While not exclusively around the lakes, there are numerous running trails in the broader Thornby area that may incorporate lake views or nearby routes. You can explore options like the 'Running loop from Naseby' or 'Naseby Village Store – Haselbech Village loop from Naseby' in the Running Trails around Thornby guide.
Bare Hill Lakes in Badby, Northamptonshire, offers open-water swimming in a natural, spring-fed lake system. The water is regularly tested, and a 300-meter loop is available for swimmers. It's an excellent location for open water swimming enthusiasts.
Policies vary by location. At Pitsford Water at Brixworth Country Park, dogs are generally welcome but must be kept on leads in certain areas, especially near nature reserves. It's always best to check specific signage or websites for each lake's dog policy before visiting.


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