They were called around 8.50am to the museum in Crags Road, Creswell and the roof was on fire.
Firefighters used two hose reel jets to extinguish the fire.
Creswell: Fire at Creswell Crags museum
Firefighters from Worksop, Clowne and Chesterfield were called to a fire at Creswell Crags museum this morning (Saturday).
By The Newsroom
Saturday, 19th April 2014, 3:20 pm