High value machinery has been stolen from Great Harwood Golf Club.
Police said burglars broke into a garage in the middle of the golf course on Whalley Road damaging metal shutters.
The unknown offenders stole an orange Kioti CK30 Tractor, a green and yellow John Deer TE Gator and a green and yellow John Deer 3235C Fairway.
Lancashire Police said fencing around the storage area and the perimeter wall was also damaged as the equipment was driven over the golf course.
One of the vehicles was abandoned beyond the wall and police said the others are thought to have been drive along the path on Mill Lane and up Whalley Road.
The incident happened sometime between 4am and 7am on Friday, July 24.
A police spokesperson said no arrests have yet been made.
Anyone with information should call PC Katie Brown on 101 quoting log number LC-20150724-0201.