Blacknor Fort is a 20th-century fort on the Isle of Portland, Dorset, England. It is located at Blacknor Point on the western side of Portland, close to Weston village.
Wikipedia https://en.wikipedia.org/wiki/Blacknor_Fort
Address (Unnamed Road), DT5 2, United Kingdom
Coordinates 50°32'36.674" N -2°27'14.431" E