Denmark Strait

Between Iceland and Greenland, the Denmark Strait carries cold water and ice southward from the Arctic. Icebergs from Greenland's glaciers mingle with sea ice in the East Greenland Current, and changing winds may carry them toward Iceland. Norse settlers crossed the wider North Atlantic from Iceland to Greenland in the late tenth century. Their voyages depended on finding a way through a northern sea where drifting ice and weather could make landfall uncertain.