Errigal () is a mountain near Gweedore in County Donegal, Ireland. It is the tallest peak of the Derryveagh Mountains and the tallest peak in County Donegal. Errigal is also the most southern and the highest of the mountain chain called the "Seven Sisters" by locals. The other peaks of the Seven Sisters are Muckish, Crocknalaragagh, Aghla Beg, Ardloughnabrackbaddy, Aghla More, and Mackoght. Geography Errigal is the most southern, steepest and highest of the mountain chain, called the "Seven Sisters". The Seven Sisters includes Muckish, Crocknalaragagh, Aghla Beg, Ardloughnabrackbaddy, Aghla More, Mackoght and Errigal. The nearest peak is Mackoght (from Irish: Mac Uchta, meaning "son of the mountain-breast") which is also known as Little Errigal or Wee Errigal (). Errigal is known for the pinkish glow of its quartzite in the setting sun. Another noted quality is the ever-changing shape of the mountain depending on what direction you view it from. Errigal was voted 'Ireland's Most Iconic Mountain' by Walking & Hiking Ireland in 2009. Naming In legend Errigal is said to have been named by the Fir Bolg who, originating in Greece, came to worship Errigal as they had Mount Olympus. The name comes from the Old Irish airecal, meaning "oratory". There is no remains of an oratory on the mountain, so it may refer to the mountain as a whole as a place of prayer. In recent years, there have been numerous erroneous references to Mount Errigal. In 2016, the Republic of Ireland's State tourism authority, Fáilte Ireland, apologised for using the name "Mount Errigal" in its brochure, rather than the proper name. The official name is An Earagail or Errigal. Mount Errigal is the name of a hotel in Letterkenny, County Donegal. In popular culture In the 1985 music video, "In A Lifetime" by Clannad and Bono, several images of Errigal appear. In 1990, Errigal features prominently in the music video for The Chills' song, "Heavenly Pop Hit". In the 1991 song by Goats Don't Shave called "Las Vegas (In the Hills of Donegal)" contains the line, "To stand on top of Errigal, would give me such a thrill". In the 2008 film Hunger, the main protagonist Bobby Sands describes Errigal as a "beautiful sight". In the 2011 movie Your Highness, several scenes were shot on Errigal In 2012, Irish composer Vincent Kennedy, as part of his music for The Happy Prince, titled a piece: "Snowfall on