Southwest of Belgrade, towards the border with Montenegro, lies a wilderness of limestone cliffs and flooded mountain gorges, with deep forests and extensive alpine pastures. This rugged region can be explored on foot or by boat trip along the flooded Uvac River. In addition to over 150 bird species, it is also home to bears, wolves and lynxes.

Birds include: Goosander, Griffon Vulture (over 250 individuals), Golden Eagle, Short-toed Eagle, Lesser-spotted Eagle, Honey Buzzard, Goshawk, Peregrine Falcon, Corncrake, Rock Partridge, European Eagle Owl, Scops Owl, European Nightjar, Hoopoe, Black Woodpecker, Grey-headed Woodpecker, Wryneck, Grey Wagtail, Woodlark, Rock Martin, Red-rumped Swallow, Dipper, Black Redstart, Wheatear, Rock Thrush, Wood Warbler, Goldcrest, Spotted Flycatcher, Collared Flycatcher, Crested Tit, Marsh Tit, Sombre Tit, Short-toed Treecreeper, Wallcreeper, Red-backed Shrike, Nutcracker, Golden Oriole, Serin, Bullfinch, Hawfinch, Common Crossbill, Ortolan Bunting, Yellowhammer, Cirl Bunting, Rock Bunting, Corn Bunting.