The search area for a missing North Otago man now stretches from Hampden To Queenstown.
Rory Phimister, a husband and father of several children, has not been seen since yesterday afternoon and police have concerns for his well-being.
Sergeant Nathan White, of Dunedin, said today the 34-year-old may have been under stress and had some history of health issues.
Public sightings of Phimister so far have included reports of him walking along State Highway 1, south of Hampden.