The Karst Edge Run

The Karst edge is a landmark between the Mediterranean and continental Slovenia. On its southern side there lays Istria, on its northern side are Karst, Brkini and Čičarija. It is an extension of the Alps, which goes from the Italian Devin above Trieste, through Slovenia and finishes before the Croatian port town of Rijeka. The Edge is up to 500 metres high and has several shelfs. Its edges are made of limestone, its steps are fertile plains. It has several peaks, including Slavnik and Žbevnica. The highest peak is at the end of the edge: Mount Učka, which rises from the coast to an altitude of 1400 metres above sea level.
As a natural border that is difficult to pass, it was also suitable as a political border. In the past it was the dividing line between the Patriarchate of Aquileia and the Habsburg Monarchy, later between the Venetian Republic and the Austro-Hungarian...

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