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Una nature park

Una Nature Park covers the area of ​​the Una River in the municipalities of Krupa na Uni, Novi Grad, Kostajnica and Kozarska Dubica. The total area of ​​the Nature Park is 2,772.60 hectares. This area is characterized by specific geological and hydrological phenomena and exceptional biological diversity. The Una Valley has long been known for the appearance of large masses of tufa, and of special value are as many as 39 species of fish, which makes this river one of our richest rivers. The specificity of the area are the unique landscapes - many travertine forms, rapids, waterfalls, ada and river lakes, unbreakable coastal vegetation and settlements along the river make this protected area unique.

Kostajnica in numbers

Residents according to the census
Surface in km²

Tourist organization of Kostajnica Municipality