Police have appealed to the public for information on a father and his two children.
Police have said they hold concerns for the welfare for Smithton's Richard Jamieson, 53, and his two children.
Mr Jamieson and his daughter, 10, and son, 6, were last seen on Friday at Somerset.
They were planning on heading home to Smithton via the Takone-Dip Falls area, where it is believed Mr Jamieson was planning to do some four-wheel driving and have a picnic with his children.
He was driving a gold Holden Jackaroo with the registration number D490SN.
ation regarding the whereabouts of Mr Jamieson and his children can be directed to the Police Assistance Line on 131444.