The Kresna canyon is a deep gorge between Malashevskiy and Pirin mountains. Its length is 16 kilometers along the river Struma. The canyon stretches from the town of Kresna South. Highway E-79 Sofia – Thessaloniki) passes along the river Struma.

The Kresna canyon is located in a transitional Mediterranean climate. The January average temperature is 2, 4 degrees Celsius, the winter is mild. Hot in summer, the July average temperature is 24, 7 degrees Celsius.

Flora and fauna Kresna canyon variety, there are some under the threat of destruction and just a rare species included in the Bulgarian Red book. In 1949, before Kresna gorge, Bulgaria Ministry of forests has created a reserve Tista".

Meandering part of the river Struma in the spring and early summer (i.e. when the Struma deep) are attracted to the area of the Kresna gorge rafting and canyoning. Settlements Kresna, Petrich and Sandanski located on the banks of the stream.