It is located above the Croatian Kostajnica area of ​​27.8 ha of native forest an ordinary oak, hornbeam and sweet chestnut with unošenim conifers, landscaped walkways and a vista point overlooking the Kostajnica and Una river valley - a favorite resort.

Hill Santa first appeared with the name 'Dyed' 1653rd on the drawings of the city, then Kozthanicze. According to stories from the street, then it appears lonely Grandpa, who Robinhudovskim method takes the rich and gives to children. How do you think outlaw, as it was then Kostajnica was occupied by the Ottoman Empire, Grandpa went to the hill where he was hiding in a small cave, you can still recognize. As winter is coming soon, our hero decided zgrijati so that descended on the city and climbed on the roof of a nearby house. At this point, while Grandpa tries to warm up the chimney, discount tile, and he falls near the fireplace. Sight of children, to avoid panic and danger from the Turks, who were then known for cruelty, Grandpa rosy cheeks they began to sing and share gifts. Children fascinated by the magic of the evening (later to be proved that it was evening on Christmas Eve) decided not to give Grandad, with djedičino promise to come again next year. After a few days, kids in the street telling them to visit freeze grandfather (also called him "Santa Claus"), and that lives on the hill above the town. Hill called Santa. And so is our Santa Claus hides in the city until its liberation from the Turks 1688th year. How is the story of the brave old man arrived at the Viennese court, hall enriched by the story and created an urban legend of an old men, Santa Claus who brings gifts to good children! She talks about our hero as a promotional mascot, was used only at the beginning of the century when some smart people think of open freight center on the banks of the Una, and they needed a story to create a consumer fever before the holidays.