People of all ages have celebrated Mount Druitt Swimming Centre's 50th anniversary at a fun-filled event and swapped stories of fishing evenings, swimming carnivals and more.
Visitors had free entry as Blacktown City Council provided inflatable waterslides, a DJ, games and a pool-shaped birthday cake on Saturday.
Blacktown City Mayor Brad Bunting said the love for the centre was overwhelming.
"Mount Druitt Swimming Centre has been a part of so many people's lives - whether it has been cooling down on a summer's day, a swimming carnival, the Blacktown City Family Fish In or Dive in Movie night," he said.
"Council is dedicated to maintaining Mount Druitt Swimming Centre and keeping our community active.
"I hope to have news soon on ensuring the centre thrives for another 50 years and beyond."
The Member for Mount Druitt Edmond Atalla said: "The Mount Druitt Swimming Centre has been at the heart of our community for 50 years. It is a community place for fun, fitness, and friendships.
"This 50 year anniversary is a testament to its lasting impact," he said.
Built by the NSW Government's State Planning Authority, the venue opened in 1975 and has been managed and maintained by Blacktown City Council since.
The centre is open seasonally and welcomes more than 40,000 visitors each year.
The centre will be closed for winter from 31 March and reopen in late September.
In the meantime, swimming is available at Blacktown Aquatic Centre, Charlie Lowles Leisure Centre Emerton and Blacktown Leisure Centre Stanhope.