Swimming & lessons

Take the plunge

Swimming at The Triangle

Swimming is a great way to stay physically active, whatever your age or ability. Whether you’re lane swimming to maintain and develop your fitness, splashing around with the family or learning to swim so that you can join in the fun, we have something for you!

Enjoy a range of swimming and pool activities for you and your whole family where you can have fun and be active together.

Learn to swim with our swimming lesson programme, book a swim session from our timetable or find out about our pool.

View timetable


Swimming lessons

Our team follows the Swim England Learn to Swim Framework to deliver swimming lessons. We use fun and games to build water confidence from the first splash to a lifetime of loving swimming and being safe in the water.

To learn more about our swimming lessons at The Triangle, click the button below.

Find out more Book online

Pool info

We have various pools to enjoy at The Triangle - our main pool, our leisure pool and our outdoor lido. 

Main Pool
Length: 25m
Lanes: 8
Leisure Pool
2 flumes
Indoor & Outdoor Rapids
Cascade Falls
Outdoor lido
Our outdoor pool will reopen in Summer 2023


Please be aware that all of our swim sessions are now bookable online. We cannot guarantee space for walk in bookings so please do check our website for availability before your visit.

Children under 8 must be supervised in the water and changing rooms by their parent or adult (16+). A maximum of 2 children under 8 is permitted per parent/adult in our pools. A maximum of 1 child under 8 per adult on our flumes.

Swimming memberships

We offer a range of Swim memberships that will allow you to enjoy your time in the pool – whether for fun or structured, fitness activity.

Take a look at what else is included in each membership type and learn how you can join today. 

Our memberships


Take a virtual tour

Our pool facilities are well worth checking out. Want to see them before you visit? Check out our virtual tour at the link below.

Start your tour

Aqua classes

Classes range from gentle to high impact so you can work hard and enjoy the support of the pool improving strength and fitness. Our classes include Aqua Walking, Aqua Fit and Aqua Rehab.

Book now

Casual swimming

Leisure pool sessions can be pre-booked by members on our timetable up to 14 days in advance.


Adult leisure swim: £8.35
Adult lane swim: £5.50


Book now

Swimming clubs

Mid Sussex Marlins Swimming Club are based at The Triangle

Contact Club Manager Kerry Escott via email for more information.  


Find out more

Health Suite

Take time to completely relax and unwind in our beautifully tranquil health suite, featuring a steam room; a relaxing, skin-purifying sauna; and calming spa pool. You’ll never want to leave!

More info

Family Fun

We offer a wide range of activities perfect for families and children!

Book now


SWIMTAG is the latest, waterproof wearable technology that helps you track your swim strokes, lengths, times and calories burned. You can enter challenges and competitions to compete against other swimmers or your own personal best.

SWIMTAG is free for members. Simply sign up for SWIMTAG at reception, or via the link below.

More info

View the local leaderboards