Police have launched a search and rescue operation to locate a 65-year-old East Toowoomba man and a 69-year-old New South Wales woman missing from Croydon.
The man and woman were last seen leaving a caravan park located on Alldridge Street Croydon on November 10.
Investigations reveal the pair left to go prospecting at Esmeralda Station.
They were reported missing after they failed to return to the caravan park on November 11.
Police and family hold concerns for their welfare due to the difficult terrain and recent weather events.
Their vehicle, a white 2024 dual cab Toyota Hilux, was located on November 11, on Esmeralda Station near Rifle Creek Ridge with several personal items inside including mobile phones.
A search and rescue operation commenced in the area yesterday and is continuing today.
Assets deployed include Rescue 510, several mustering helicopters, QPS Stock and Rural Crime Investigation Squad officers on motorbikes and horseback and SES officers on foot with drone capabilities.
Anyone with information about their whereabouts is urged to contact to police.