Nome: Mapa topográfico Portland Castle, altitude, relevo.
Local: Portland Castle, Liberty Road, Portland, Castletown, Dorset, South West England, England, DT5 1AZ, United Kingdom (50.56809 -2.44696 50.56840 -2.44647)
Altitude média: 19 m
Altitude mínima: -5 m
Altitude máxima: 145 m