A man has been reported missing after he went swimming in the Omanawa Falls.
Just before 3pm on Sunday, police were alerted to an incident at the waterfall in the western Bay of Plenty.
Two people were rescued from the water by Police Search and Rescue, but a third remains missing.
The Police National Dive Squad will help with the search on Monday.
The Bay of Plenty Regional Council has limited public access to the area overnight before search efforts resume on Monday morning.