Olt River
The south side comprises the Carpathian Mountains (Southern Carpathians and Eastern Carpathians), with the Făgăraș Mountains, the Bucegi Mountains, the Piatra Mare Mountains, the Piatra Craiului Mountains, and the Postăvarul Massif. In the east there is the Brașov Depression, and in the west there is the Olt River valley. Between them there are the Perșani Mountains. The north and west side of the county are crossed by the Olt River.