Cragganmore 12yr is the flagship and youngest expression from the line. It is said to be one of the principal malt whiskies used in the Johnnie Walker Black blend of whisky (from the interesting review at Scotchnoob.
The Cragganmore Distillery was originally founded by "Big John Smith" near the river Spey in 1869. At age 36, he had experience with both Macallan and Glenlivet before starting Cragganmore. It is named for the hill behind the distillery where the source of the whiskey's springwater. In recent history, through a series of purchases, it eventually became sold for the last time to Distillery Company Limited in 1968 and then part of Diageo through a series of mergers. Their malt is "lightly smoked." (This from the excellent write-up at The Whisky Guide.