Koznitsa (tunnel)

Koznitsa (Bulgarian: Козница [ˈkɔznit͡sɐ]) is a railway tunnel under the in the Stara planina (Balkan Mountains), the longest tunnel in Bulgaria. The tunnel is located between the Bulgarian towns of Koprivshtitsa and Klisura and is 5,808 m long.

Koznitsa (tunnel)

Koznitsa (Bulgarian: Козница [ˈkɔznit͡sɐ]) is a railway tunnel under the in the Stara planina (Balkan Mountains), the longest tunnel in Bulgaria. The tunnel is located between the Bulgarian towns of Koprivshtitsa and Klisura and is 5,808 m long.