A group of trampers will be glad to be indoors after getting lost in Omanawa Falls overnight.

A search and rescue operation was launched when police were notified that a group of five people were lost around the falls just after 7pm.

'Two SAR teams went in and located them shortly before midnight,” says a police spokesperson.

'The group were brought out by the SAR teams and assessed by ambulance due to possible hypothermia, but all were ok.”