Sutherland Shire Police Local Area Command said the body of a man located in the Royal National Park yesterday afternoon is believed to be that of a missing man.
The body was located in an isolated area of the Royal National Park on Thursday afternoon.
Police said that while the body is yet to be formally identified, it is believed to be that of the missing man.
"The death is not being treated as suspicious and a report will be prepared for the information of the Coroner," police said.
Christopher Deep, 36, of Camperdown, was reported missing to police on February 26.
An investigation commenced and his car was located at Loftus railway station.
CCTV footage showed the man with his bike on Tuesday, February 23, at Loftus railway station.
Police believe he was planning to ride his bike in nearby bushland.
A coordinated search was conducted around the Loftus area, Royal National Park and nearby roads.
A further search was later conducted centred on the Wattamolla area within the Royal National Park.
Police have now disclosed that the man's bike was located in bushland west of Wattamolla last Sunday, March 14.
Searching continued utilising police officers from Sutherland Local Area Command, PolAir, Marina Area Command, the Dog Unit, NSW Police Rescue & Bomb Disposal Unit, Public Order & Riot Squad and external resources including State Emergency Service, Rural Fire Service and National Parks & Wildlife Service.
Police on Wednesday deployed all terrain vehicles and trail bikes to the Royal National Park as part of their investigation.
"Our deepest condolences are extended to the man's family, friends and co-workers," police said.