Rotary Park in Whitecourt was closed late Tuesday afternoon to search for a missing 19-year-old.
The young man went missing around 4 p.m. His family last saw him in a pond in the park.
Eight volunteer divers were called to the scene to search for the man along with RCMP dog teams.
RCMP are also looking at security video from the park to see where the man may have gone.
Police are not releasing his name.