The cause of a caravan fire at Price on the Yorke Peninsula has not been determined by fire cause investigators, according to SA Police.
Just after 1am, police and emergency services were called to the fire at the Price Caravan Park.
CFS crews extinguished the fire and then searched the caravan.
Inside they located the body of a 63-year-old woman from Seaton.
A post mortem will be conducted as part of the investigation and a report will be prepared for the coroner.
Police are appealing for anyone who may have witnessed the fire or who may have any information that can assist police to contact Crime Stoppers on 1800 333 000 or online at http://crimestopperssa.com.au