Fire started deliberately at Yorkshire Lass pub, Knaresborough.
Fire crews attended and extinguished the blaze just after 7pm on Thursday, January 3.
Crews from Knaresborough, Boroughbridge and Harrogate found smoke coming from the basement of the empty pub on Blands Hill, opposite the entrance to Mother Shiptons Cave.
A spokesman for North Yorkshire Fire and Rescue said: “This was a deliberate ignigition of rubbish in the cellar.”
Both the basement and the ground floor of the building have some smoke damage.
Four breathing apparatus, two hose reels and a thermal imaging camera were used to bring the flames under control.
North Yorkshire Police were called at around 7.20pm on Thursday, January 3.
A police spokesman said it was a small fire and had caused little damage to the property.
In November 2011 fire crews attended a similar fire at the derelict pub, which was also believed to have been started deliberately.