Košutnjak is a park-forest and urban neighborhood of Belgrade. It is divided between in the municipalities of Čukarica (upper and central parts) and Rakovica (lower part). With the adjoining Topčider, it is colloquially styled “Belgrade’s oxygen factory”.
Košutnjak is home to many plant and animal species, some of which are under strict protection.
Košutnjak is one of the most popular recreational places in Belgrade. With 40 ha (99 acres), Sports Center Košutnjak is one of the largest and most diverse in the city (stadiums, pools, etc), while the park also has an auto-camp, modern settlements of Filmski Grad and Pionirski Grad, big studios of the national broadcaster Radio Television of Serbia, many popular restaurants and arranged paths criss-crossing the forest. There are also jogging tracks and a ski run.
Hajdučka česma is a natural spring, which is one of the most prominent destinations for the picnickers, especially as the most popular location of the traditional Prvomajski uranak, celebration of May 1, Labour Day.