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Welcome to TriSwim

Open Water

TriSwim is an award winning operator and coaching academy at stunning open water venues throughout the South East of England. We combine our open water venues with providing expert and industry leading multi-discipline coaching to ensure you improve yourself as an athlete, as a triathlete, as a swimmer, and improve your health and well-being within a supportive and friendly community. Whether you are looking for a casual open water venue to explore and enjoy natural swimming, or are an athlete looking for a competitive training venue, TriSwim has an open water venue for you.

Swimming in open water can be a daunting prospect for anyone, TriSwim and its expert coaches and safety staff aim to encourage, teach and support you as you explore the open water environment and enjoy the experience that only swimming in beautiful venues of open water can give you.

We provide a platform and coaching guidance to encourage all levels and ages of swimmer, athlete and triathlete to improve themselves ready for their next big challenge, race or achievement.

Everyone is welcome at our venues, and we actively encourage juniors from age 7/8+ to join us in the open water environment. TriSwim has created a ‘swimming pool’ environment for the open water, we provide; monthly microbiology testing approved by the British Bathing Directive and publish the results at our lakes so you can be assured you are swimming in clean, safe water. We also provide a full team of kayak and land based life responders and first aiders, individual changing tents at lake-side, clothes and bag storage, towel and shoe storage by the water, wetsuit and swim accessory hire, discounted purchase of wetsuits and swim accessories, and free refreshments. We also have expert open water and triathlon coaches on site who will happily swim with you and offer free advice and coaching tips for anyone who is feeling nervous or overwhelmed.

We regularly organise group swimming courses for juniors and adults new to open water swimming, and will provide everyone who completes the course a ‘Level 1’ Introduction to Open Water Swimming Certification. You don’t need to explore the open water environment on your own!

TriSwim works with the RLSS (Royal Lifesaving Society), BTF (British Triathlon Federation) and the ASA (Amateur Swimming Association) to re-define the standards of open water swimming, and ensure it is accessible, enjoyed by all levels and ages of swimmer, and above all, provide the highest end of safety, experience and controlled swimming to ensure the well-being of our swimmers and athletes.

All visitors to TriSwim venues will be required to purchase an annual membership for £15 which gains you access for a calendar year to ALL TriSwim venues, including our indoor pool based in Sevenoaks. If you wish your child to swim solo, they will need an assessment and membership (£30).

You will need to purchase an assessment and membership (£30) in order to swim at Chipstead Sailing Lake due to it’s size and depth.

You can book your assessment and purchase your membership via our website here or by calling or emailing us at TriSwim.


TriSwim also provides award winning teaching and coaching at our exclusive indoor swimming pool at Weald Place Pool in Sevenoaks, Kent.

For our adult swimmers we adopt Swim Smooth  and British Swimming coaching to the forefront of our expertise and style. TriSwim is proud to be working towards being Kent’s only Swim Smooth accredited coaching academy for pool and open water.

We use Swim Smooth and British Swimming test sets to create a full swimming profile of your abilities, and design Microcycles of training for you to use to compliment on-going training. We will use dry and submerged video analysis to obtain cutting-edge data of your swimming style , and competitive coaching sets to improve your aerobic and anaerobic threshold capabilities, as well as use Vo2 and Lactate Building sets to improve respiratory and cardiovascular strength, as well as muscle strength and improve lean muscle.

TriSwim also runs an award winning junior academy, TriSwim Stars which runs termly lessons accredited by the ASA ‘Learn to Swim’ framework.