Cambourne is a town and civil parish in Cambridgeshire, England, in the district of South Cambridgeshire. It is a new settlement and lies on th…Cambourne is a town and civil parish in Cambridgeshire, England, in the district of South Cambridgeshire. It is a new settlement and lies on the A428 road between Cambridge, 9 miles to the east, and St Neots and Bedford to the west. It comprises the three areas of Great Cambourne, Lower Cambourne and Upper Cambourne. The area is close to Bourn Airfield.