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 62 Outdoor in the country of Croatia and Plitvice Lakes National Park is our members favorite Outdoor in all of Croatia. Want more? Check out our map of outdoors near Zagreb City.