Berkner Island or
Berkner Ice Rise or
Hubley Island is an
ice rise, where
bedrock below
sea level makes the ice dome upward. If the ice cap melted, it would be under water. Berkner "Island" is high and completely
ice-covered and about long and wide, with an area of . Berkner is surrounded by the
Filchner-Ronne Ice Shelf. The northernmost point of the Berkner is about from the open sea. It lies in the overlapping portion of the
Argentine and the
British claims.