The Iskar is a right tributary of the Danube. With a length of 368 km, it is the longest river that runs entirely within Bulgaria. Originating as three forks in Balkan's highest mountain range Rila, t
Iskar near Karlukovo
One of the glacial Musala Lakes in the Rila mountains that feeds the uppermost tributaries of the Iskar
Rila is the highest mountain range of Bulgaria, the Balkan Peninsula, and of Southeast Europe. It is situated in southwestern Bulgaria and forms part of the Rila–Rhodope Massif. The highest summit is