Kalnik
General data
- Name: Kalnik
- Water system: Danube
- Water type: River
- Progression: Vit -> Danube -> Black sea -> Mediterranean Sea -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: Europe
- Countries: Bulgaria
The Kalnik is a 41 km-long river in northern Bulgaria, a right tributary of the river Vit. The Kalnik takes its source from the Tolev Spring at an altitude of 677 m and flows into the Vit at an altitude of 250 m at the Boaza locality, south village of Peshterna. Its drainage basin covers a territory of 263 km2.