Name: Upnor Castle topographic map, elevation, terrain.
Location: Upnor Castle, High Street, Frindsbury Extra, Upper Upnor, Frindsbury, Medway, England, ME2 4XG, United Kingdom (51.40666 0.52669 51.40719 0.52753)
Average elevation: 46 ft
Minimum elevation: -7 ft
Maximum elevation: 190 ft