Take the Plunge: Experience the Thrill of Open Water Swimming in the Cotswolds

Whether it’s the exhilaration of diving head first into chilly water or the allure of a tranquil lake on a warm summer’s evening, thousands of people across the country are embracing wild swimming and the rejuvenating benefits it brings with it.

Here in the Cotswolds, there’s no shortage of beautiful open water swimming spots where you can enjoy a soothing solo dip or a social swim with friends. Many of our escapes are just a stone’s throw from stunning lakes where you can take a refreshing plunge into cold, calming waters.

The Wild Swimming Phenomenon and Its Healing Benefits

Open water swimming is becoming more and more popular and swimming group memberships are on the rise: in 2006 the Outdoor Swimming Society had 300 members; in 2023 its membership was over 200,000. Groups of wild swimmers regularly meet at open air swimming venues across the country come rain or shine, no matter the season, taking advantage of the chance to experience the beauty of nature in crystal-clear lakes or breathtaking seas.

Swimming is a fabulous full body work out, improving physical health, circulation, sleep patterns and general wellbeing. Nature has long been recognised as a restorative remedy for improving both body and mind, and immersing yourself in open water can provide lasting health benefits. Wild swimmers often describe a sense of euphoria when taking the plunge into icy cold water, experiencing a dopamine rush as their body temperature adjusts. This creates a general and lasting sensation of wellbeing and also improves mental health. According to research, swimming in cold water can reduce stress levels and even support our immune health. It can also improve social connections as people come together with like-minded friends who share their passion for wild swimming.

Open Water Swimming in the Cotswolds

Safety is paramount when open water swimming, especially if you are new to the activity, and it’s advisable to find a designated outdoor swimming place where you can enter the water safely without any risk of danger or pollution.

Our own Little Horseshoe Lake in South Cerney is popular amongst our guests for morning dip in the trout lake. Its unsupervised so please speak to us before you use it!

Here in the Cotswolds, there are a number of lakes that offer an invigorating cold-water swim in peaceful and safe settings all year round. Whether you’re new to wild swimming or a seasoned pro, here are some of the best open water swimming spots to immerse yourself fully in nature:

Lake 32 Outdoor Centre, Shorncote

Lake 32 is a stunning setting for open water swimming, and you can prebook sessions here all year round. One-hour open water swimming slots are available to book for members or day visitors at specific times, seven days a week. Under 18’s are required to hold an ASA Open Water Award Level 1 and must be a minimum age of 12 years or over.

If you’re new to open water swimming, you can take an induction course which includes a Q&A with an experienced member of staff and a supported dip in this beautiful lake.

Changing rooms and showers are available at Lake 32 and there’s also a well-stocked café.

Click here for more information or to book an open water swimming slot at Lake 32.

There are also several friendly open water swimming groups that meet regularly at Lake 32 and welcome new faces, such as the Gloucestershire Bluetits which meets on Sundays at 10am and Blue Bloods Wild Swim Club which meets at 8am on Saturdays.

The Real Outdoor Xperience, Lake 12, South Cerney

The clear waters of Lake 12 at the Cotswold Water Park are perfect for an invigorating wild swim. ROX is open for swimming this summer on Monday, Wednesday and Friday evenings between 1740 and 1940 for an energising evening swim. Afterwards, enjoy tasty street food from the Rox Box food kitchen and a drink in The Lodge on Lake 12.

Click here for more information about open water swimming at Lake 12.

Cotswold Country Park and Beach

Take the plunge in South Lake, a calm swimming lagoon at the Cotswold Country Park and Beach, a great outdoor experience for solo swimmers or families. Afterwards, relax (and warm up in the sunshine!) on the UK’s largest inland beach. The park opens on 4th April 2025; booking is advised.

Click here for more information about Cotswold Country Park and Beach.

Lake 86, South Cerney

For swimmers over 18 years who can swim 400m unaided, Lake 86 is a good option for open water swimming, with two triangular courses. For those with a competitive edge, timed swims are being held this year on the first Wednesday of June, July and August (online booking is a must).

Click here for more information about open water swimming at Lake 86.

Cromhall Quarry, South Gloucestershire

This serene and picturesque quarry offers safe and relaxed open water swimming in the great outdoors all year round. The quarry boasts excellent water quality and there’s free parking and a changing area for swimmers.

You can book a two-hour lifeguarded session (swimmers must be at least 16 years old) – check the website for opening times, prices and availability.

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Mirrors Edge

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Summer Lake

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Willow Lodge

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The Boathouse

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Serendipity

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Wild Water Swimming in Cotswold Lakes
Do's and don'ts for Swimming in the lakes

Is wild swimming allowed in Cotswold Lakes?

Yes, wild swimming is permitted in designated areas of the Cotswold Water Park. Not all lakes allow swimming, so it’s important to stick to the lakes where swimming is specifically allowed.

Which lakes in the Cotswolds are safe for wild swimming?

Lake 86 and Lake 32 are two of the best-known and safest options for open water swimming in the Cotswold Water Park. Both offer controlled environments with facilities and are regularly tested for water quality. ROX on Lake 12 also run sessions at specific times and days so check their website for more information.

Do I need permission to swim in the lakes?

Yes, you generally need to pay for access at the designated swimming lakes. Swimming in non-designated lakes without permission is not recommended and can be unsafe.

Are there lifeguards on duty at any of the swimming areas?

Yes, during peak times, lifeguards are on duty at supervised lakes like Lake 86 to ensure swimmers’ safety.

What’s the best time of year for wild swimming in the Cotswolds?

Wild swimming is most popular from late spring through early autumn (May to September), when water temperatures are milder. Winter swimming is possible for experienced cold-water swimmers.

What should I wear for wild swimming in the lakes?

Many swimmers wear a wetsuit, especially outside of summer months, as the water can be cold. Bright swim caps are recommended for visibility.

Do I need to use a tow float or safety buoy when swimming?

At some lakes, like Lake 32 for example, swimmers are required to use a brightly coloured tow float or buoy. This improves visibility to lifeguards and other lake users and provides extra safety. Always check the specific rules of the lake you’re visiting. Rox on Lake 12 sell or hire tow buoys for use in their lake.

Is the water in the lakes clean and safe to swim in?

Designated swimming lakes are tested regularly for water quality and are considered safe. Swimming in other lakes carries more risk, as water quality is not monitored everywhere.

Can children swim in the lakes?

It varies between the lakes – Lake 86 and Rox at Lake 12 designate open water swimming for adults only. Lake 32 allows children to swim provided they are accompanied by an adult at all times.

Are there changing or shower facilities nearby?

Yes, facilities like changing rooms and showers are available at lakes such as Lake 32 and Lake 86 and Rox at Lake 12. All advertise warm changing rooms and hot showers.

How cold does the water get in winter?

Water temperatures in winter can drop to below 5°C, so only experienced cold-water swimmers should attempt it, with appropriate gear.