Single grain is a type of grain whisky made at one distillery. Grain whisky may contain malted barley, but it also uses other unmalted grains like corn or wheat. Most grain whisky is made in a column still as well.
Famous Single Grain Japanese Whiskies
Nikka Coffey Grain and Suntory Chita are two popular Japanese single grain whiskies. And Kirin’s Fuji Gotemba is a prolific producer of excellent single grain whiskies, as well.