[2] It begins to the north-east from the village of Gradevo at 531 m altitude and runs in eastern and south-eastern direction upstream of the Elovitsa valley of the Struma basin.

It reaches its highest point in 12.9 km and then descends along the valley of the river Iztok of the Mesta drainage.

[2] Due to the increased tourist traffic to the ski resort of Bansko the road was thoroughly rehabilitated and expanded in 2005.

Since 1965 there is a folklore festival "Pirin Sings" that gathers folk groups from around the nation.

The rebellion was a spontaneous action of the local population in opposition to the decisions of the Congress of Berlin that left the region outside the borders of newly liberated Bulgaria.