Almost $300,000 worth of contraband and unauthorized items were seized at Warkworth Institution.
Tobacco, drugs, cell phones and cell phone accessories worth $283,565 were seized from the medium security facility in the Campbellford area on Monday.
The Correctional Service of Canada says several packages were seized as a result of the vigilance of staff members.
The CSC uses a number of tools to prevent drugs from entering its institutions including ion scanners and detector dogs to search buildings, personal property, inmates and visitors.