|Country||Bosnia and Herzegovina|
|- location||Slopes Očauš – Borja|
|- elevation||910 m (2,990 ft)|
|350 m (1,150 ft)|
|Length||14 km (8.7 mi)|
|Progression||Vrbanja→ Vrbas→ Sava→ Danube→ Black Sea|
Kruševica is the strongest right tributary of Vrbanja in central Bosnia. It rises from two streams (Vilenski and Grebenski potok = Fairy’s and Reefs stream) whose source on the northeast slopes of the Očauš Mountain (at around 950 above sea level). The source is exposed to the Borja Mountain. On geographic maps as Kruševica is often marked an other river (Bobovica), whose estuary is around 20 miles upstream.
The significant right tributaries are Diklanski and Veliki Breski stream, Mali Mrđin stream, Sirovac, Uzlomac, Slatki potok (Sweet stream) and Rasova, and left: Stevanovina, Veliki Jankovac, Đukin do, Lauška rivers and Vaganjski stream. On them (up to 1960s) was even about 40 mills. In the southern mountain range Rogljuša – Trnjić’s fields - Plane is the watershed of Krusevice and Maljevska River (also Vrbanja’s tributaries), and in the north-chain: Omac – Jezero (Lake) – Gajevi (Groves) its watershed with Usora river (basin of Bosnia). Kruševica flows through Maslovare, and into the Vrbanja river which flows in the Obodnik, where the local road for Šiprage exits from the main road M-4 (Banja Luka – Doboj).
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- Vojnogeografski institut, Izd. (1955): Prnjavor (List karte 1:100.000, Izohipse na 20 m). Vojnogeografski institut, Beograd.
- Spahić M. et al. (2000): Bosna i Hercegovina (1:250.000). Izdavačko preduzeće „Sejtarija“, Sarajevo.
- Mučibabić B., Ur. (1998): Geografski atlas Bosne i Hercegovine. Geodetski zavod BiH, Sarajevo,ISBN 9958-766-00-0.