From Spačva, the biggest complete autochthonous forest of Slavonian oak tree on the area of 40 thousand ha, through magnificent several centuries old trees, you can see the unbreakable
bond between the nature and the man that has lasted for centuries. Slavonian oak tree has marked the life near forests, and even today specialists from all over the world admire
its beauty and quality. It is an extremely long-living type of tree; people say it grows for a hundred years, lives a hundred years and then dies for a hundred years.
Its crown hides protected animal species like oak longicorns (Cerambyx cerdo), stag beetle (Lecanuc cervus), whitetailed eagle (Haliaeetus albicilla), collared flycatcher (Ficedula albicollis), middle spotted woodpecker (Dendrocopos medius), black stork (Ciconica nigra)… The area of Spačva forest pool is rich in watercourses, among which the most important are Virovi (Whirlpools), protected landscape and heaven for lovers of effusive and intact nature.
In the south part of the Vukovar-Syrmian county, there is a really beautiful area which is situated east of the railroad Vinkovci-Županja and bordered by Sava from the south.
This part is known as Spačva and has woods of common oak. These woods are full of watercourses of Bosut, Spačva, Lubanj, Studva and Virovi. Waters of Virovi are full of the lowland waters' fish: carp, tench, pike, catfish, sunny carp, whitefish, perch, bream, roach and mudfish. From birds you can see white and black storks, white and grey herons, coot, wild duck, angler eagle, ringdove and also white-tailed eagle, which is very rare and threatened with extinction. You can also see otters, foxes, wild boars, roes and deers. Close to Virovi, there is The Common Oak Nature Reserve Lože.