Bracknell Town Council has warned residents to stay away from the town's new £80,500 pump track at Mill Park after people were reported entering the site before it officially opens.
In a social media update the council said there had been significant interest in the facility but urged people not to climb over fencing or try to gain access while work is still being finished.
"Please respect the site and do not attempt to climb the fence, remove sections of fencing or gain access to the pump track area."
"It is not yet open and is not safe for public use."
"Any damage caused will only delay completion and the opening of the track for everyone to enjoy."
Several residents reported seeing children and teenagers using the track. It is being built for bikes, scooters and skateboards and is expected to open to the public next year.
The project, funded through developer contributions and announced last month, aims to give young people a place to be active and develop riding skills. Speaking when construction began, Bracknell Town Council's recreational facilities manager Ian Evans said: "It's trying to give something for the teenagers, somewhere for them to hang out."
He added: "There's not many places for teenagers to go these days and it's a positive way for them to express themselves and get away from their iPads."
The track was originally expected to open in early 2027, subject to completion of works, inspections and approvals, and the council has not yet announced a firm date.
Katie French, Local Democracy Reporter
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