Tasmania Police is investigating a fire that started in a pine plantation near a track off Hyland Rd at Murdunna yesterday.

TFS Fire Investigators have eliminated all possible accidental causes and have determined the fire was deliberately lit.

Bellerive CIB will be investigating further and would like to speak to anyone who may have seen a vehicle in the area on the morning of Wednesday January 30.

Information can be provided anonymously by calling Crime Stoppers on 1800 333 000 or online at crimestopperstas.com.au