It is located in Magallanes y Antártica Chilena Region of Chilean Patagonia.
The Strait opens in the west to the Pacific Ocean, at 51°40′S 75°00′W / 51.667°S 75.000°W / -51.667; -75.000 (western entrance), between the Diego de Almagro Island to the north and Ramírez Island to the south.
The strait widens to the east into a shallow rock-strewn basin which lead into various channels.
The Nelson Strait is unsuitable for general navigation.
This Magallanes and Antártica Chilena Region location article is a stub.