Samuel Smith was last seen on the Skipton Road area and Tarn House Caravan Park.
The 66 year old from Colne was last seen wearing black trousers, a black coat, and carrying an orange Sainsbury's bag at the Caravan Park on 2nd March between 12pm and 1pm.
North Yorkshire Police and West Yorkshire Police have asked anyone with relevant information or dashcam footage to come forward.
Samuel Smith's suspected travel route is Colne, Barnoldswick, Skipton Bus Station, Tarn House Caravan Park.
He is described as 6ft, medium build, with short greying hair, has a short ginger/grey beard and wears glasses.
Immediate sightings, please call 999. Any information as to where he might be, please contact 101, quoting log 0652 of 2nd March.

Two Keighley neighbours win £377,224 each in Postcode Lottery draw
Meet the family behind Drift - Skipton's new restaurant
Skipton MP backs Conservative welfare reform plan
Hundreds of donated spectacles handed over in Skipton
Royal Oak pub reopens under new management with plans for major changes
New Cats Protection superstore to open in Skipton this month
North Yorkshire Council cancels planning meetings amid new government rules
Skipton Repair Café volunteers fix 81 items in one day
Christmas toy appeal launches to help families across Skipton
Kex Gill A59 traffic restrictions expected to be lifted in early December
Talks continue over future of Settle dairy site
Work begins at former Gargrave care home earmarked for 16 affordable homes
Council accused of 'illusion of listening' over school transport consultation
North Yorkshire councillors to vote on next chief executive
Skipton keeps its place among Britain's 10 happiest places to live
Local care provider celebrates double win at Bradford Care Awards
Veterans selling poppies on Northern trains say support from passengers has been 'heartwarming'
Skipton MP raises concerns over proposed visitor levy and impact on rural tourism
£1million of Keighley Cougars stadium funding redirected to Cavendish Street improvements
Skipton's popular Santa Cruises return for 24th year


