Börzsöny

Csóványos (Hungarian: [ˈt͡ʃoːvaːɲoʃ]) is a mountain in the Börzsöny range of the North Hungarian Mountains. It has an altitude of 938 metres and spans the border of Nógrád County and Pest County. This area was geologically active in the Miocene era, 18 to 19 million years ago. In the Quaternary, when volcanic activity commenced, the immediate environment of Csóványos emerged.