Howick Hall Gardens & Arboretum, known as “the hidden gem of Northumberland” is also the ancestral seat of the Earls Grey since 1319. Discover the history of the 2nd Earl, after whom the famous tea is named, wander through the beautiful gardens created by the 5th Earl Grey and his family or for the more energetic explore the arboretum a united nations of shrubs and trees covering over 65 acres.