The Balleny Islands are uninhabited islands in the Southern Ocean with coordinates 66 ° 15 '67 ° 35 and 162 ° 30' 165 ° 00'E. The group stretches for about 160 km in a northwest-Southeast direction (99 miles). The islands are of heavy glacial and volcanic origin. Glaciers project slopes into the sea. Point related was formed by the Balleny Islands.