Saguenay police say they believe the convict scaled the prison wall during an outdoor break and fled downtown on foot.
Carl Gagnon was serving a sentence at the Chicoutimi detention centre for breaking and entering and mischief.
He was eliegible for release in 2016.
Police say the man is a black 36-year-old, who weighs about 190 lbs and stands 6’2” tall.
The man also has tattoos on his left arm and on the calf of his leg.