Doupov Mountains (Czech: Doupovské hory, German: Duppauer Gebirge) is a Cenozoic volcanic mountain range with the typical structure of stratovolcano.In 1945, most of the German population was expelled so that Doupov Mountains became almost completely unpopulated.It became an Army Training Area in 1953, and currently serves this purpose for NATO forces.This Karlovy Vary Region location article is a stub.You can help Wikipedia by expanding it.This Ústí nad Labem Region location article is a stub.