|  | | Great Gransden Windmill Location Grid reference - TL 277 557 OS Sheet - 153 About 8 miles W of Cambridge, off B1046, in Mill Road, Great Gransden. 17th century open trestle post mill, which last worked in 1912. Sails and most internal machinery in place. Opening Times At any time, by arrangement with the keyholder (see below) National Mills Weekend opening times At any time, as above. Contact Diane Taylor, Parish Council Secretary, 01767 677487. | |