The range was named by Gino Watkins after Captain Percy Lemon (1898–1932) of the Royal Corps of Signals, a member of the 1930-31 British Arctic Air Route Expedition led by Watkins.

[3] A number of the main summits of the range were climbed for the first time by Chris Bonington in the 1990s.

[4] The Lemon Range is an up to 2,500 m high mountain massif made up of nunataks.

It is located among the glaciers east of Courtauld Glacier which has its terminus in the Cortauld Fjord, an arm of Kangerlussuaq Fjord, East Greenland, and west of Frederiksborg Glacier which flows roughly southwards with its terminus in the Watkins Fjord further south.

The average annual temperature in the area of the Lemon Range is -14 °C.