The Guía Narrows (Spanish ''Angostura Guías'') are located between

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

Hanover Hanover (; german: Hannover ; nds, Hannober) is the capital and largest city of the German state of Lower Saxony. Its 535,932 (2021) inhabitants make it the 13th-largest city in Germany as well as the fourth-largest city in Northern Germany ...

and

Chatham Islands The Chatham Islands ( ) (Moriori: ''Rēkohu'', 'Misty Sun'; mi, Wharekauri) are an archipelago in the Pacific Ocean about east of New Zealand's South Island. They are administered as part of New Zealand. The archipelago consists of about te ...

. Guia Narrows connects

Sarmiento Sarmiento may refer to: Places Argentina *Sarmiento Department, San Juan, a subdivision of the San Juan Province *Sarmiento Department, Santiago del Estero, a subdivision of the Santiago del Estero Province *Sarmiento Department, Chubut, a subdivi ...

and

Inocentes Channel Inocentes Channel (Spanish ''Canal Inocentes'') is a strait in Chile that reaches from the Guía Narrows (''Angostura Guías'') 18 miles to the northern extreme of Inocentes Island, where it joins the Concepción Channel. The south side of the st ...

s. The narrows are 6 miles long and are 1 to 1.5 miles wide, except at the north end, between Porpoise Point, low and sharp, on the west side, and

Guard Island The Guard Island Light is a lighthouse on a small island near the entrance to the Tongass Narrows, in Clarence Strait in southeastern Alaska. The western entrance to the Behm Canal also lies nearby. History The lighthouse location was prioriti ...

on the east, where the breadth is about 400 yards, but generally, there is no danger; the shores being steep-to on either side. Sometimes, the tide sweeps strongly around the point; therefore, it would be advisable to keep closer to Guard Island while passing through.

References

United States Hydrographic Office The United States Hydrographic Office prepared and published maps, charts, and nautical books required in navigation. The office was established by an act of 21 June 1866 as part of the Bureau of Navigation, Department of the Navy. It was transfe ...

South America Pilot
(1916) p. 410 Straits of Chile Bodies of water of Magallanes Region {{MagallanesyAntártica-geo-stub