Robert Grover flees from minimum-security correctional facility at Muswellbrook

POLICE are appealing for public assistance to locate a prisoner who escaped from a minimum-security correctional facility in Muswellbrook on Wednesday.

About 6am, officers from Hunter Valley Police District were informed that Robert Grover, 41, had escaped from the facility on St Heliers Road.

He is described as being of Caucasian appearance, about 170cm tall, with a medium build and brown hair.

It is believed he may be heading to Gunnedah.

Police are warning members of the public not to approach the man, but instead call Triple Zero (000) immediately.

Anyone with information about this incident is urged to contact Crime Stoppers on 1800 333 000 or https://nsw.crimestoppers.com.au

Information is treated in strict confidence.

The public is reminded not to report crime via NSW Police social media pages.