[1] Administratively most of its length lies in the Northeast Greenland National Park area, at the border of Sermersooq municipality.

[2] The distance from the head of Nordvestfjord across Hall Bredning to the mouth of Scoresby Sound is 313 km (194 mi), which makes this continuous stretch of water the longest fjord in the world.

[3] The Nordvestfjord fjord was named by Carl Ryder during his 1891–92 expedition because of its approximate northwestern direction.

[3] Ryder, however, was prevented from exploring it because it was already September, new ice was forming, and a very strong wind was blowing from the interior of the fjord.

Part of its northern flank marks the southern boundary of Nathorst Land and the Stauning Alps.