Northwest Passage - Extent

Extent

The International Hydrographic Organization defines the limits of the Northwestern Passages as follows:

On the West. The Eastern limit of Beaufort Sea .
On the Northwest. The Arctic Ocean between Lands End, Prince Patrick Island, and C. Columbia, Ellesmere Island.
On the Northeast. The Coast of Ellesmere Island between C. Columbia and C. Sheridan the Northern limit of Baffin Bay.
On the East. The East Coast of Ellesmere Island between C. Sheridan and Cape Norton Shaw (76°29′N 78°30′W / 76.483°N 78.5°W / 76.483; -78.5), thence across to Phillips Point (Coburg Island) through this Island to Marina Peninsula (75°55′N 79°10′W / 75.917°N 79.167°W / 75.917; -79.167) and across to Cape Fitz Roy (Devon Island) down the East Coast to Cape Sherard (Cape Osborn) (74°35′N 80°30′W / 74.583°N 80.5°W / 74.583; -80.5) and across to Cape Liverpool, Bylot Island (73°44′N 77°50′W / 73.733°N 77.833°W / 73.733; -77.833); down the East coast of this island to Cape Graham Moore, its southeastern point, and thence across to Cape Macculloch (72°29′N 75°08′W / 72.483°N 75.133°W / 72.483; -75.133) and down the East coast of Baffin Island to East Bluff, its Southeastern extremity, and thence the Eastern limit of Hudson Strait.
On the South. The mainland coast of Hudson Strait; the Northern limits of Hudson Bay; the mainland coast from Beach Point to Cape Bathurst.

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