The Alas Strait is a strait that separates

Lombok Lombok is an island in West Nusa Tenggara province, Indonesia. It forms part of the chain of the Lesser Sunda Islands, with the Lombok Strait separating it from Bali to the west and the Alas Strait between it and Sumbawa to the east. It is ...

and

Sumbawa Sumbawa is an Indonesian island, located in the middle of the Lesser Sunda Islands chain, with Lombok to the west, Flores to the east, and Sumba further to the southeast. Along with Lombok, it forms the province of West Nusa Tenggara, but there ...

, two

islands of Indonesia * See also: Names of Indonesia , location = Southeast Asia and Oceania , waterbody = * Indian Ocean * Pacific Ocean , total_islands = ± 17,000–18,000 islands , major_islands = , area_km2 = 8,300,000 , area_footnotes = , rank = , length ...

West Nusa Tenggara West Nusa Tenggara ( id, Nusa Tenggara Barat – NTB) is a province of Indonesia. It comprises the western portion of the Lesser Sunda Islands, with the exception of Bali which is its own province. Mataram, on Lombok, is the capital and largest ...

province. The strait was bridged by land until about 14,000 years before present when sea level rose to about 75 meters below present sea level, unlike

Lombok Strait The Lombok Strait ( id, Selat Lombok), is a strait connecting the Java Sea to the Indian Ocean, and is located between the islands of Bali and Lombok in Indonesia. The Gili Islands are on the Lombok side. Its narrowest point is at its souther ...

and

Alor Strait Alor Strait (also ''Alloo'' StraitGoodall, George (Editor)(1943) ''Philips' International Atlas'' London, George Philip and Son map 'East Indies' pp.91-92 for pre Independence spelling) divides the Solor Archipelago from the Alor Archipelago, ...

which continued to be water gaps even during the

Last Glacial Maximum The Last Glacial Maximum (LGM), also referred to as the Late Glacial Maximum, was the most recent time during the Last Glacial Period that ice sheets were at their greatest extent. Ice sheets covered much of Northern North America, Northern Eu ...

, at each end of a 400-mile-long island including present-day

, Komodo, Flores,

Solor Solor is a volcanic island located off the eastern tip of Flores island in the Lesser Sunda Islands of Indonesia, in the Solor Archipelago. The island supports a small population that has been whaling for hundreds of years. They speak the langu ...

Adonara Adonara is an island in the Lesser Sunda Islands of Indonesia, located east of the larger island of Flores in the Solor Archipelago. To the east lies Lembata, formerly known as Lomblen. Adonara is the highest of the islands of the archipelago, ...

, and

Lembata Lembata is an island in the Lesser Sunda Islands, also known as Lomblen island; it is the largest island of the Solor Archipelago, in the Lesser Sunda Islands, Indonesia. It forms a separate regency of the province of Nusa Tenggara Timur. The len ...

References

{{Authority control Straits of Indonesia Straits of the Indian Ocean Landforms of West Nusa Tenggara Landforms of Lombok