Police are appealing for public assistance to help locate missing man Donald.
The 64-year-old was last seen 23 April around 9.30am in Swan Hill and was wearing baggy blue jeans, tan work boots and a grey jumper.
Donald was driving his red Holden Colorado with registration AVC537.
It is not known where he was headed but does frequent the Murry River.
Police have released an image of Donald and a car similar to his in the hope someone recognises him and can provide information on his current whereabouts.
Anyone who sees Donald is urged to contact Swan Hill Police Station on 5036 1600.