Krka river is one of the most typical streams in Dolenjska region and is the only Slovene river that forms tufa in its riverbed. The valley of Krka river is a unique symbol of Dolenjska with its inseparable intertwining of natural and cultural heritage. It is emphasized by the disappearing legacy of bygone water-mills, preserved wooden bridges, numerous castles and settlements on its banks; Novo mesto
was formed around one of the most distinctive of its bends. The river is distinguished by natural conservation as it provides refuge for numerous animal and herbal species. Of special importance are karst springs which contain endemic species of subterranean animal life, in addition to that Krka is among richest Slovenian rivers fish
wise. Great diversity is also distinctive of amphibious animals and aquatic bird species. There are many affluxes of Krka in vicinity of Novo mesto. The most dynamic and picturesque of streams are the ones that flow from Gorjanci, especially Klamfer stream that outfalls into Težka voda; on the right bank there is Lešnica, which forms an interesting breakthrough gorge just below Stari grad castle. There are also many smaller streams like Rateški potok, Toplica and Žerjavinski potok which carry great habitual importance due to their state of natural preservation. Local community is aware of significance of Krka river and its preservation and thus it was protected by law in 1969. Tours: pathways along the streams are in abundance and easy to find, Krka is suitable for boating.