Sixteen CFA units attended a grass and scrub fire on Barmah-Shepparton Rd, Shepparton, just after 2.30pm yesterday.
A Country Fire Authority spokesperson said they were investigating the cause of the fire, which burned for about an hour before being deemed under control.
A water-bombing aircraft was called in to help firefighters with the burning trees and grassland.
Barmah-Shepparton Rd was closed to traffic and police were on scene to divert vehicles away from the area.
An Ambulance Victoria spokesperson said a man in his 30s was treated on scene for smoke inhalation.
No assets were reported lost during the blaze.