Gulf of Saint Lawrence

48°0′N 61°30′W / 48.000°N 61.500°W / 48.000; -61.500

The Gulf of Saint Lawrence (French: golfe du Saint-Laurent) is the outlet of North America's Great Lakes via the Saint Lawrence River into the Atlantic Ocean. It is the world's largest estuary. It is a semi–enclosed sea, covering an area of about 236,000 km² (91,000 sq mi) and having 35,000 km³ (7.7×10¹⁵ imp gal) of water.