A surf lagoon will cut jobs and close activities after a disappointing summer and a review will take place into the site's future. Adventure Parc Snowdonia opened in 2015 - launching the first commercial inland wave lagoon in the world.
But the wave machine has been dogged with mechanical problems. It relaunched this spring after a malfunction last summer but then broke down again in June.
The site - which has had several millions pounds in Welsh Government funding - has built additional facilities like Adrenaline Indoors and offered other watersports on the lagoon. But bosses said revenues had been "significantly lower" than expected this summer.
It also includes the Hilton Garden Inn hotel but that part of the business has traded well this year after initially being closed to house asylum seekers.
Now the activity side of the site will close from Monday until further notice. The Hilton hotel and spa will remain open.
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The resort is owned by the Ainscough Group and chairman Martin Ainscough said he was "truly sorry" about the mechanical problems at the site and the loss of reputation for those involved.
A spokesperson said it was a "summer season hampered by the ongoing issues with the wave machine, and the revenues being significantly lower than we would expect".
They added: "The end of the summer season approaches and redundancies will have to be made to both seasonal and some full-time team members. Over the coming months we will review what we do with the Parc before the 2024 season starts."
Mr Ainscough said: "We are bitterly disappointed that once again excellent employees are being made redundant. The sad reality is that despite the joy and adventure it brought to many as a world-first innovation, the wave machine has cost us a fortune in downtime, repairs and loss of business.
"More importantly it has cost us a loss of reputation with our employees, people we’ve worked closely with since the start of this journey in 2015, and for that I am truly sorry.”
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