Designated bathing water10 miJackson's Bay
Barry Island, Barry
Lisvane and Llanishen Reservoirs
Lisvane, WalesLakeSupervised sessions only
Designated, supervised open-water swimming sessions operate at Lisvane and Llanishen Reservoirs by pre-booked access.
- Water
- Lake
- Entry
- £10 for a 90-minute open-water swim; £75 for 10 swims., booking required in season
- Swim hours
- Various session times.
- Facilities
- Visitor centre, café, waterside path
- Lifeguard
- Supervised sessions have trained supervisors; the swim zone is lifeguarded.
- Managed by
- Dŵr Cymru Welsh Water
When you can swim
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Open to swimmersClosed to swimmers
Getting there
Know before you go
- Unauthorised swimming is prohibited.
- Wear a full-length wetsuit and swimming cap.
- Cover cuts and grazes with waterproof plasters.
- Shower with soap and towel dry after swimming.
Swimming spots nearby
All of WalesDesignated bathing water10 mi
Designated bathing water11 miWhitmore Bay
Barry Island, Barry
Designated bathing water11 miThe Knap
Pebble Beach, Barry
Official bathing water14 miWeston-super-Mare Sand Bay
Weston-super-Mare
Free all-year swimming15 miMarine Lake
Weston-super-Mare seafront, Parade Park
Official bathing water15 miClevedon Beach
Clevedon
Questions about Lisvane and Llanishen Reservoirs
Can you swim at Lisvane and Llanishen Reservoirs?
Yes, but only in designated areas during pre-booked supervised sessions. Unauthorised swimming is prohibited.
Do you need to book Lisvane and Llanishen Reservoirs?
Sessions take place in designated areas during pre-booked organised sessions.
Does it cost anything to swim at Lisvane and Llanishen Reservoirs?
£10 for a 90-minute open-water swim; £75 for 10 swims.
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