Le Mont-Dieu

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Le Mont-Dieu
Part of Tannay-le-Mont-Dieu
The Chartreuse in Le Mont-Dieu
Location of Le Mont-Dieu
Le Mont-Dieu Show map of France Le Mont-Dieu Show map of Grand Est
Coordinates: 49°32′52″N 4°51′59″E / 49.5478°N 4.8664°E / 49.5478; 4.8664
Country	France
Region	Grand Est
Department	Ardennes
Arrondissement	Vouziers
Canton	Vouziers
Commune	Tannay-le-Mont-Dieu
Area 1	18.72 km2 (7.23 sq mi)
Population  (2022)[1]	11
• Density	0.59/km2 (1.5/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal code	08390
Elevation	157–325 m (515–1,066 ft) (avg. 200 m or 660 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Le Mont-Dieu (French pronunciation: [lə mɔ̃ djø]) is a former commune in the Ardennes department in northern France. It was merged with Tannay to form Tannay-le-Mont-Dieu on 1 January 2025.^[2]