The Apuseni Mountains is a mountain range in Transylvania, Romania, which belongs to the Western Romanian Carpathians. The highest peak is the Bihor Peak at 1,849 metres. The Apuseni Mountains have about 400 caves.
Wikipedia https://en.wikipedia.org/wiki/Apuseni_Mountains
Address DN1R, Romania
Coordinates 46°36'26.039" N 22°56'23.06" E