Travelers are voting Sljeme, Veternica Cave and Ponikve as the best of 5 outdoors near Zagreb City. There are 1 outdoor near Petrinja a city just 30 km from Zagreb City and 2 outdoors near Karlovac which is 30 km distant. The most popular of these are Caves of Barać near Petrinja and Trdinov vrh in Karlovac. You can find 6 outdoors in Zagreb and 63 outdoors in the country of Croatia. Our members favorite in Zagreb is Trdinov vrh and Plitvice Lakes National Park is the top pick in Croatia. Want more? Check out our map of outdoors near Zagreb City.