Hummock Island is the largest of a group of islands in
King George Bay in the
Falkland Islands. It has a land area of and is about long in a north-west to south-east direction. Hummock Island is off the western coast of
West Falkland, in a bay that leads to the estuary of the
Chartres River. The highest point on the island is in the north-east and is . There are cliffs which often reach over high.