Part of Diageo's line of eight single malt whiskies to commemorate the eighth and final season of HBO's hit television series Game of Thrones that is based on the novel series, A Song of Ice and Fire, by George R.R. Martin. Lords of the Riverlands, House Tully is tied to the power of water. And to The Singleton of Glendullan water is just as important. It's located on the banks of the River Fiddich and use a water wheel to power their distillery.