Gerard Storey was was final seen leaving the Ardgay space to begin the Cross-Ross stroll round round 10.45am on Tuesday, April 19.
The 64-year previous was travelling on his yellow XCR hand biking bike from the Easter Ross village and was as a result of arrive in Ullapool on the west coast.
But he has since been reported lacking and issues at the moment are rising for his security.
Gerard is described as 6ft, of common construct with a bald/shaven head and with a full white beard.
He was final seen sporting Silver biking helmet, yellow biking jacket, black waterproof and sporting Crocs.
Anyone who might have seen Gerard, or who has any info on his/her whereabouts, is urged to contact Police Scotland by way of 101 quoting incident quantity 2929 of April 20.
Don’t miss the most recent information from round Scotland and past – Sign as much as our every day e-newsletter right here.