The Kamnik Bistrica (Slovene: Kamniška Bistrica, pronounced [ˈkáːmniʃka ˈbíːstritsa]) is an Alpine river in northern Slovenia, a left tributary of the Sava River. It springs from the Kamnik Alps (part of the Southern Limestone Alps) near the border with Austria. It is 33 km (21 mi) long. The Kamnik Bistrica flows through the town of Kamnik, where it is fed by the Nevljica River. It flows into the Sava south of Videm, about 10 km east of Ljubljana.