Charlise Mutten, 9, was reported missing at a Mt Wilson property about 8:20 am today.
Charlise has been missing since Thursday, police said.
Charlise is described as white, with brown hair.
It is unknown what she was wearing at the time.
Hundreds of officers, along with crews from the State Emergency Service (SES) and the Rural Fire Service (RFS), peer through the dense bushland at Mt Wilson.
Crews search tents and bins for any sign of the child.
“A command post has been established at Mt Wilson RFS station with volunteers from the RFS and SES assisting police from the Blue Mountains Police Area Command, Police Rescue, the Dog Unit and PolAir,” the NSW Police Department said in a statement. statement.
A woman was comforted by paramedics at the search center before being taken to a hospital in Katoomba.
Police are enlisting the public’s help and have sent geo-targeting messages.
Late this afternoon a car was seized by the police in Penrith.
The search will continue tonight and begin again at first light tomorrow.
9News has learned that the Homicide Division has been called in to assist local detectives.