Isca Valley (80°1′S 155°32′E) is a narrow ice-free valley lying next west of Ituna Valley and 2 miles (3 km) east-northeast of Haven Mountain in the Britannia Range, Antarctica. It was named in association with "Britannia" by a University of Waikato geological party, 1978–79, led by M.J. Selby. "Isca" is a historical name used in Roman Britain for the River Exe.
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Isca Valley Wikipedia(Text) CC BY-SA