The Austin Channel ( 75°30′N103°30′W / 75.500°N 103.500°W ) is a natural waterway through the central Canadian Arctic Archipelago in the Qikiqtaaluk Region, Nunavut. [1] It separates Byam Martin Island (to the south) from Melville Island (to the west) and the Alexander and Bathurst Islands (to the north-east). To the north it opens to the Byam Martin Channel, to the south-west to the Byam Channel, and to the south-east to the Viscount Melville Sound (part of the Parry Channel).