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Take your skills to the next level.

What ever your group or requirements.

Discover the activities we have to offer.

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Open Water & Wild Swimming at South Cerney Outdoor


Get involved in the fun

Join in on one of the most popular and growing past times with Open Water & Wild Swimming.

Experience the benefit of immersing yourself in cold water and exploring the wonderful natural waters of Lake 12.


HOW SWIMMING WORKS WITH US...

We have something to suit everyone.

If you are a newcomer to open and cold water swimming, we recommend you book into one of our 'Introduction to Cold Water Swimming' sessions where a qualified coach will ensure you know everything you need to make your swim experience safe and enjoyable.

For the occasional swimmer, we offer a 10 Session Swim card. Book one of these online and your card will be available to collect on the day of your first swim. You can then book online using a unique code to zero your swim price on any of our weekly morning sessions.*

For the regular swimmer, we have a summer season membership available for just £195, to swim as often as you like in our morning swim sessions. Book online for when you want your membership to start and it will be available to collect on your first visit. Then simple book yourswim slot online using your unique member code to zero the price.*

For the one-off visitor, we also have a Pay as You Go option.

Be sure to check out the lake rules and conditions and ensure you have a brightly coloured hat and a tow float. Tow Floats are available to purchase or hire from reception when you visit.

* As a bonus... all 10 Session Card and Season Members get 15% off in our Lodge cafe at any time you visit. Simply show your membership card at the till and they'll take 15% off your bill.

Introduction to Cold Water Swimming at Lake 12

Intro to Cold Water Swimming£20

Open Water Swimming at Lake 12

Swim sessionAvailable now

If you've heard all the hype and the benefits of cold water swimming and fancy giving it a go, but not sure how to start and do it safely... an Introduction to Cold Water Swimming is for you.


Delivered by a qualified STA Open Water Swim Coach


By popular demand, we offer Open Water Swimming on three mornings per week.

Our Summer Swim schedule is now available for booking every Tuesday, Thursday and Saturday morning.


Swim Membership Options at Lake 12

Swim MembershipsFrom £70

Summer season memberships and 10 Session Swim Cards available now.


Complete your health declaration and waiver online to save time.

Complete Declaration

TIPS For happy dipping in the cold

  • Eat well before your swim
  • Bring lots of warm layers
  • Lay out your clothes for easy dressing
  • Consider a wetsuit
  • Neoprene socks & gloves
  • Check air. & water temperature
  • Give swimming a miss if you're unwell
  • Bring a hat for afterwards
  • Keep it short and sweet
  • Breathe slow and steady
  • Dress quickly
  • Warm, Not hot drink is best
  • Treat yourself to a snack
  • Have fun
  • Float on your back and raise arm for rescue
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