Iskar River

Iskar river rises from the Rila mountains and is formed by the interflow of Cherni and Beli Iskar rivers. In ancient time, the river valley, especially its two gorges(Pancharevski and Iskarski), were used to overcome Stara planina, in this lenght, roads and railways were built, not by chance.

There are 45 settlements along the river, including 9 towns and 38 villages. From Sofia to Samokov, it passes a second class road №82, of the state road network, Sofia - Samokov - Kostenets, 51,4km.There are also archaeological landmarks on the banks of Iskar - the Urvich fortress (on the right bank, before the village of Kokalyane) and the Roman city of Ulpia Escus - near the village of Gigen.

The length of the Iskar River alone is 340 km. Iskar is the longest entirely Bulgarian river.