It is situated some 3.5 miles ( 6 km ) north - west of the city centre , at the seaward end of the Avon Gorge .
Sea Mills is a suburb of the English port city of Bristol .
Sea Mills is situated some 3.5 miles ( 6 km ) north - west of the city centre , at the seaward end of the Avon Gorge .
Sea Mills is a suburb of the English port city of Bristol .