Petrohan Pass ( bg, Петрохански проход, ) is a mountain pass in the
Balkan Mountains
The Balkan mountain range (, , known locally also as Stara planina) is a mountain range in the eastern part of the Balkan Peninsula in Southeastern Europe. The range is conventionally taken to begin at the peak of Vrashka Chuka on the border betw ...
(Stara Planina) in
Bulgaria
Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...
. It connects
Sofia
Sofia ( ; bg, София, Sofiya, ) is the capital and largest city of Bulgaria. It is situated in the Sofia Valley at the foot of the Vitosha mountain in the western parts of the country. The city is built west of the Iskar river, and ha ...
and
Montana
Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columbi ...
. The pass is part of
Pan-European Corridor IV
The Corridor IV is one of the Pan-European transport corridors. It runs between Dresden/Nuremberg in Germany and Thessaloniki (Greece) / Constanța (Romania) / Istanbul (Turkey). The corridor follows the route: Dresden / Nuremberg – Prag ...
. As the pass represents the shortest route between Sofia and north-western Bulgaria (and from there Romania, especially since the opening of the
Vidin–Calafat Bridge
The New Europe Bridge ( bg, Мостът Нова Европа, Mostŭt Nova Evropa; ro, Podul Noua Europă) is a road and rail bridge between the cities of Vidin, Bulgaria, and Calafat, Romania. It is the second bridge on the shared section o ...
) the expansion of the narrow road passing through the pass has been suggested, including by the construction of a tunnel.
Mountain passes of Bulgaria
Balkan mountains
Landforms of Sofia City Province
Landforms of Montana Province
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