Skip to content

Current Water Temperature: 8.1°C

Discover The Lake at Cromhall Quarry

The Lake: Open Water Swimming, Diving and Paddleboarding​

Immerse yourself in the crystal-clear waters of The Lake, known as one of the clearest lakes for swimming and diving in the UK.

Our stunning limestone-filtered lake provides the perfect setting for open-water swimming, diving, and paddleboarding adventures.

swimming
diving
paddle boarding

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

Threordatoth chasmatos is the latest in a long line of species to be discovered at Cromhall Quarry
13/03/2025 / 4 minutes

Another Ancient Resident Unearthed at The Lake: A New Triassic Reptile!

Working here at The Lake, nestled within the Cromhall Quarry, we’re constantly reminded that we’re standing on a treasure trove of prehistoric secrets. Recently, another incredible discovery has been added to that list: a brand-new species of Triassic reptile!
Read More
12/02/2025 / 4 minutes

Embrace the Chill: Unleashing the Health Benefits of Open Water Swimming

More and more people are discovering the thrill and rejuvenation of taking a dip in natural bodies of water but beyond the exhilarating rush, open water swimming offers a wealth of health benefits that extend far beyond a refreshing experience.
Read More