These photos capture nearly eight decades of fun at swimming pools around the North West, from the 1930s to the noughties.
Sponsored swims, galas and packed lidos on a hot summer day feature in this pictorial plunge into the past.
The comedian Les Dawson is among those seen taking the plunge, as he opens a pool, while elsewhere, youngsters are seen diving into the water at the open air baths where John Lennon learned to swim as a boy.
The nostalgic images include some of the popular swimming baths and lidos that have sadly been lost over the years.
Perhaps you learned to swim there, spent happy hours splashing around with your friends, or remember braving the diving board.
Do these photos bring back any happy memories for you of time spent in the pool?
If you’re after more North West nostalgia, you might enjoy this look back at the region’s shopping centres in the 70s, 80s and 90s.
5. Cocker Street Baths
Blackpool's Cocker Street Baths, where thousands of schoolchildren learned to swim, pictured in 1964 | Submitted
6. Save our pool
Derby Baths campaigners with their banners protesting against its closure outside the Norbreck Castle Hotel, Blackpool, in January 1988 | National World
7. Super Swimming Stadium
Crowds waiting to get into the Super Swimming Stadium, in Morecambe, for a bathing beauty contest in around 1945 | Submitted
8. Champion
European and Commonwealth Freestyle champion Sue Rolph with the members of Preston Swimming Club at West View Leisure Centre in 2000 | LEP Photo: KEVIN MCGUINNESS