The Danish weather station Danmarkshavn – the only inhabited place in the area – lies about 100 km (62 mi) to the ESE.

[2] The lake was named by Commander James Simpson at the time of the 1952–54 British North Greenland expedition.

[4] The main base of the British expedition was built on the northern shore of the lake and scientific personnel used the location as a base for research in the little explored Queen Louise Land area, as well as further west on the Greenland ice sheet research station North Ice.

[6] Britannia Sø is a large lake at the northern end of Queen Louise Land, to the west of the vast Storstrømmen glacier.

The central section of the glacier terminus stays frozen all year round, dividing the unfrozen area of Britannia Lake in two.