The historical Ostrovica fortress located within Una National Park is a designated National Monument and a significant site with a rich history, built on prehistoric foundations and playing a crucial role in controlling the Una River valley.

Visitors can explore its ruins, including the remnants of walls and towers, and enjoy panoramic views of the surrounding area

Why Kids Will Love It 💕

🏰 Exploring the old fortress ruins like mini adventurers
🌄 Big, dramatic views
🐦 Lots of nature sounds and wildlife sightings
📸 Wide-open spaces for family photos with zero crowds

Travel Tips 📝

📍 Location: Una National Park (near Kulen Vakuf)
⏰ Hours: Open-air site and accessible all day.
🎫 Entrance / Price: Usually free; parking nearby may be paid.
🚗 Parking: Limited but close to the entrance; go early on weekends.
👟 Suitability: Great for kids who can handle uneven terrain but always be careful of heights