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Current Water Temperature: 20.2°C (06/07/25)

Discover The Lake at Cromhall Quarry

The Lake: Open Water Swimming, Diving and Paddleboarding​

Immerse yourself in the crystal-clear waters of The Lake.

Our stunning limestone-filtered waters provide the perfect setting for open water swimming, scuba diving, and paddleboarding adventures at one of the clearest lakes in the UK.

open water swimming
scuba diving
paddleboarding

Activities at The Lake

Swim

Dive into our crystal-clear water! Whether you're a leisurely swimmer or training for a triathlon, our fully lifeguarded site welcomes everyone.

2 Hour Sessions
Changing Rooms
All Sessions Lifeguarded
Excellent Water Quality
Book A Swim

Dive

Dive into adventure! Explore our underwater features with a buddy or join a dive with one of our affiliated schools.

Arrival from 08:30
Excellent Water Quality
Beach Entry
Dive Platform/Step Off
Book A Dive

Paddle

Enjoy paddle boarding with our self-launch or instructor-led sessions, perfect for all abilities. Board and wetsuit hire are available on-site.

Several Session Types
Board Hire Available
Intro to SUP Sessions
Group Bookings & Private Events
Book Paddleboarding
ABOUT THE LAKE

On in or under the water, we've got you covered

Whether you’re a seasoned enthusiast or a curious beginner, we cater to all levels. Our qualified coaches and instructors are on hand to guide you, ensuring a safe and enjoyable experience. Here’s what awaits you at The Lake:

  • Effortless Exploration: Enjoy hassle-free access with our pay-as-you-go booking system. Simply book your session online and dive in!
  • Expert Guidance: Benefit from the expertise of our highly qualified staff, all trained to the highest maritime standards. Rest assured, all sessions are fully lifeguarded for your peace of mind.
  • Dive into Adventure: Explore our underwater world with affiliated dive clubs and schools, or buddy up with fellow experienced divers. We also offer convenient cylinder filling and testing services.
  • Paddle with Ease: Glide across the lake’s surface with our self-launch or instructor-led paddleboarding sessions. Board and wetsuit rentals are available for your convenience.
  • Refuel and Relax: Take a break at our on-site shop and food wagon, offering hot drinks, tempting treats, and a selection of swimming essentials.
The Lake is open to everyone, with no membership required

We believe everyone should have the opportunity to experience the joy of water activities. Book your session online today and embark on an unforgettable adventure at The Lake.

Book An Activity

Upcoming Activities At The Lake

The Lake Blog

Read more about The Lake and our upcoming events

06/06/2025 / 14 minutes

Your Next Adventure: An Introduction to Stand-Up Paddleboarding

The widespread appeal of Stand-Up Paddleboarding stems from its unique combination of benefits that cater to the body, mind, and spirit. It’s more than just a way to get out on the water; it’s an activity that promotes holistic well-being.
Read More
06/06/2025 / 2 minutes

Bristol Swim Group Announces 2025 Open Water Swimming Programme

Bristol Swimming Group (BSG) has released its schedule for the 2025 Open Water Swimming Sessions, offering opportunities for a wide range of swimmers at The Lake.
Read More