The Iskar river Gorge is a spectacular and breathtaking masterpiece created by nature. For centuries, the waters of Iskar river have been carving the Balkan Mountains, creating incredibly beautiful shapes. The gorge is the only place where the mountain is crossed by a river and Iskar is the only river that springs from southern Bulgaria and flows into the Danube river. The gorge is the longest in Bulgaria – 156 km. After the construction of the Sofia-Mezdra railway line, the gorge becomes accessible to everyone wishing to enjoy its majestic, picturesque and admirable natural sights and to experience this unworldly beauty.