The Citadelle Laferrière exists on a mountain.
The Citadelle Laferrière or , Citadelle Henry Christophe , or simply the Citadelle ( Citadel ) , is a large mountaintop fortress in Nord , Haiti , located on top of the mountain Bonnet a L'Eveque , approximately 17 mi south of the city of Cap-Haïtien , 10 mi southwest of the Three Bays Protected Area , and 5 mi uphill from the town of Milot . The mountaintop fortress has itself become an icon of Haiti . Sans-Souci Palace . Close to the Palace is the renowned mountaintop fortress ; the Citadelle Laferrière , built under decree by Henri Christophe to repel a feared French invasion that never occurred .