Abra Channel

Abra Channel (Spanish Canal Abra, formerly Sea Shell Channel) is one of the three channels which connects Magellan Strait with the Pacific Ocean (Others are Bárbara Channel and Magdalena Channel). It is located between the Santa Inés Island and the Jacques Island and ends at the Otway Bay. An incomplete examination by the Sylvia showed it to be a fine navigable passage, but no anchorages were found. It may possibly be of service to a vessel embayed in Otway Bay, enabling her to run into the strait. Abra Island, which stands in the center of the eastern entrance, is 300 feet high and covered with vegetation. The entrance is 2 miles wide, but it soon narrows to 1 mile.

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Abra Channel at the west entrance of the Strait of Magellan. Click on the image to obtain the big map

A rock with a depth of 1.5 fathoms on it, and well marked with kelp, lies in the fairway of Abra Channel, with center of Maycock Island bearing 305°, distant 0,75 mile, and summit of Francis Island 32°.

Pedro Sarmiento de Gamboa wrote:

We called it the opening (Abra) because we can't see its termination.[1]^: 198

References

Great Britain. Hydrographic Office (1860). South America Pilot: Including Magellan Strait, the Falkland and Galapagos Islands. From the Rio de la Plata to the Bay of Panama. G.E. Eyre and W. Spottiswoode. Retrieved 25 July 2013.

United States Hydrographic Office, South America Pilot (1916) p. 410

This article incorporates public domain material from South American Pilot (1916). United States Navy.

53.383333°S 73.416667°W / -53.383333; -73.416667

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[Office1860-1] Great Britain. Hydrographic Office (1860). South America Pilot: Including Magellan Strait, the Falkland and Galapagos Islands. From the Rio de la Plata to the Bay of Panama. G.E. Eyre and W. Spottiswoode. Retrieved 25 July 2013.