Haute-Marne is a department in the northeast of France named after the Marne River. The Haute-Marne department is not a famous department but this peaceful territory has numerous interesting places to present. Indeed, the department was one of the most powerful in French history thanks to metallurgy economy and was a land of confrontations along history. The fortified town of Langres, famous for Denis Diderot author of the Encyclopédie, the Renaissance castle of Joinville, the Lake Der-Chantecoq (one of the biggest articifial lake in Europe), the Cirey-sur-Blaise castle where Voltaire lived for a while in with Émilie du Châtelet and the village of Colombey-les-Deux-Églises where Charles De Gaulle lived until his death are all major attractions.