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.

Smiley/sad face speed signs set to remain banned in North Yorkshire
Repair café returns to Skipton next weekend
No motorists turned away from Skipton waste centres due to rule change
Mayor urged to "come to the table" to discuss road repair funding
Children are taking over the Leeds station tannoy this weekend – here's why
Campaign opposing wind farm on edge of Yorkshire Dales gathers pace
Skipton based charity appoints new patron
New strategy to address decline of nature across North Yorkshire
Council-run Brierley Homes set to report £7.5m loss
Yorkshire residents needed for new series of Location, Location, Location
Registration opens for Great Santa Fun Run
Tickets go on sale for this year's Silsden Proms on the Farm
Council's "patch up" approach to filling potholes criticised
Accessibility boost as new changing places toilet opens in Malham
Tourist tax would be 'total game changer', says Mayor
Skipton Charity golf day to be held for 2025 Pride of Britain winner
North Yorkshire taxi drivers call for fare increase to offset Iran War fuel increases
Devolution will fail if decisions are York-centric, say angry North Yorkshire councillors
Craven Lawn Tennis Club to open grounds for fundraising weekend
Tory councillor used photo of tragedy which claimed the lives of 116 children to make point on social media


