Planica is famous for ski jumping. The first ski jumping hill was constructed before 1930 at the slope of Mount Ponca. In 1933, Ivan Rožman constructed a larger hill, known as the "Bloudek Giant" after Stanko Bloudek, which later gave rise to ski flying. The first ski jump over 100 m was achieved here in 1936 by the Austrian Sepp Bradl. At the time, this was the biggest jumping hill in the world, sometimes called "the mother of all jumping hills.