Gable Island is an Argentine island part of Tierra del Fuego Province

Tierra del Fuego Province (Argentina)

Tierra del Fuego is an Argentine province entirely separated from mainland Argentina by the Strait of Magellan. It includes:* The eastern part of the Isla Grande of Tierra del Fuego archipelago and the Staten Island.* Argentina's claims to the Falkland Islands and to...

. The island is located on the northern side of east-west Beagle Channel

Beagle Channel

thumb|right|300px|Aereal view of Beagle Channel. The Chilean [[Navarino Island]] is seen in the top-right while the Argentine part of [[Isla Grande de Tierra del Fuego]] is seen at the bottom-left....

 less than 300 metres (984.3 ft) from Tierra del Fuego Island

Isla Grande de Tierra del Fuego

Isla Grande de Tierra del Fuego is an island near the southern tip of South America from which it is separated by the Strait of Magellan...

 and about 1.5 kilometre (0.93205910497471 mi) from Chilean Navarino Island. The island has an irregular shape with many shoal banks extending into bays and open channel. The islands surface is mostly covered by Magallanic forest. Drumlin

Drumlin

A drumlin, from the Irish word droimnín , first recorded in 1833, is an elongated whale-shaped hill formed by glacial ice acting on underlying unconsolidated till or ground moraine.-Drumlin formation:...

s from the last ice age dominate topography which has allowed the formation of several small lagoons on the island.