The Kresna Gorge is a stunning steep valley in southwestern Bulgaria. The Struma River, which stems off of Vitosha mountains, is what formed this spectacular site. The gorge is rich in biodiversity, which may be in danger of the project to build the Struma Motorway, which is part of Trans European Corridor No. 4.[1]
The Kresna Gorge was the place of battle between Bulgaria and Greece during the 1913 Second Balkan War. The Greek army was trapped in the valley, but the Bulgarians could not to signal their victory to their negotiators in Bucharest, where a peace treaty unfavorable to Bulgaria's territorial aspirations was signed.[2]
2.Balkan Wars 1912-1913 PDF; Page 123