Hummock Island is the largest of a group of islands in King George Bay in the Falkland Islands. It has a land area of 3.03 square kilometres (1.17 sq mi) and is about 4.0 miles (6.4 km) 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 190 metres (620 ft).