A passing motorist sighted a fire just before 7.30am, believing it to be a burning log, before it was discovered to be a smouldering body.
Emergency services were called to Pollards Road, Dulguigan, soon after and police also attended. A crime scene was established and examined by specialist forensic officers.
The identity of the person is not yet known.
Detectives from Tweed/Byron Local Area Command and the Homicide Squad are investigating the circumstances surrounding the death, which is being treated as suspicious.
Anyone who may have seen unusual activity in area, or has concerns for the welfare of a friend or family member, is urged to contact Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: https://nsw.crimestoppers.com.au/
Information will be treated in the strictest of confidence.