Štirovača is a forest in North Velebit.
Reserve the forest vegetation. Its area is 118.5 acres. Most extends to an altitude of 1100 metres.Stirovaca the rain forest of beech and spruce. Most of it is a rainforest in the secondary stage Klepina duliba. The end was once more covered with forest, and today, of all the towering forests remained a small part in Štirovača. The type the spruce forest (Aremonio-Piceetum), which is a relict boreal vegetation that existed in the ice ages, and which stretched far further south than today's southern border. The land favors podzolasto soil, elevation, which is required for this type of noise in these latitudes (900 – 1100 m, and Stirovaca is at 1100 m) and a relief position, and these forests occur in sinkholes, bays and gorges Croatian highlands. This is because in them create a special microclimate conditions. Collects the cold air, so called. frost areas because of the appearance of temperature inversions and thus become more competitive in spruce compared to other wood species.
It was the first national park in Croatia. The status was gained in 1928 in Paklenica. Under the legal protection of the law was put in the financial laws in 1929, when the Plitvice Lakes had also gained the same status. The current status was acquired on April 26, 1965.