UPDATE: Police have held a press conference near the scene where a body was located at about 5.20pm on Thursday.
They are still unable to confirm whether the body is that of Rocky Eiao, however they did confirm that the body of a female was found with a deceased dog nearby.
Officers believe the body has been there for more than two days and was located about four or five kilometres from where Ms Eiao had last been seen.
We'll have an update of the press conference shortly.
EARLIER: Inspector Brenton Lee had confirmed that police had found a body but he said at that stage there were no specific details available.
"At the moment we're awaiting forensic services, the scene is all sealed off," Insp Lee said.
"We've located a body and we suspect it's her," he said.
"We've notified her mother, boyfriend and father."
8.05am: POLICE have located a body in bushland at Girilambone, about 80km north west of Nyngan, with the discovery made on Thursday evening.
While no formal identification has taken place, police believe the body to be of 25-year-old Rocky Eiao, who was last seen about midday on Friday, February 26, when she walked off from friends into bushland near Booroomugga Road.
Ms Eiao's last registered address was at Quandialla, east of West Wyalong but it was believed that in recent times she had been living in or near Nyngan.
Officers from Nyngan Police Station were notified of her disappearance the following afternoon (Saturday, February 27).
Police from Darling River Local Area Command have conducted an ongoing search operation over the last week utilising local officers and neighbouring police commands, Police Trail Bikes, Police Rescue (LANDSAR), SES and Rural Fire Service volunteers.
About 5.20pm on Thursday, police located a woman’s body within the search area, believed to be that of Ms Eiao.
A crime scene has been established at the location, which will be examined by forensic specialists.
Inquiries into the incident continue and a report will be prepared for the Coroner.