Police are currently searching for a man who escaped from Langi Kal Kal Prison in Trawalla near Beaufort this morning, Victoria Police say.
Barry Dettman, 51, was last detected walking east along the Western Highway, Trawalla about 10am.
Local police have searched the immediate area but are yet to locate Dettman.
Dettman is serving time for offences including indecent acts in the presence of a child and wilful and obscene exposure.
Investigators have released an image of Dettman and are urging anyone who sights him to contact Triple Zero (000).
Members of the public are urged not to approach him.
Dettman is described as 178cm tall with a thin build, cropped grey hair and blue eyes.
He has numerous tattoos on his upper arms and forearms including an eagle on his right upper arm.
He was last seen wearing green tracksuit pants and a flannelette shirt.
Anyone with any information regarding his whereabouts should call Triple Zero (000) immediately.