Neptune's Bellows is a channel on the southeast side of

Deception Island Deception Island is in the South Shetland Islands close to the Antarctic Peninsula with a large and usually "safe" natural harbour, which is occasionally affected by the underlying active volcano. This island is the caldera of an active volc ...

forming the entrance to

Port Foster Port Foster is one of the safest harbours in Antarctica, located in Deception Island in the South Shetland Islands. History The harbour was known to sealers as early as 1820, and in its early history was called ''Port Williams'', after Captain ...

, in the

South Shetland Islands The South Shetland Islands are a group of List of Antarctic and subantarctic islands, Antarctic islands located in the Drake Passage with a total area of . They lie about north of the Antarctic Peninsula, and between southwest of the n ...

. The name, after the Roman sea god

Neptune Neptune is the eighth and farthest known planet from the Sun. It is the List of Solar System objects by size, fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It is 17 t ...

, was appended by American sealers prior to 1822 because of the strong gusts experienced in this narrow channel. Named for "the gusts that blow in and out as if they came from a trumpet or funnell (sic)."

References

SCAR Composite Antarctic Gazetteer
Straits of Antarctica Geography of Deception Island {{DeceptionIsland-geo-stub