Jiul de Vest Jiul Românesc, Câmpușelu
Location
Country	Romania
Counties	Hunedoara County
Villages	Câmpu lui Neag, Uricani, Lupeni, Vulcan
Physical characteristics
Source	Godeanu Mountains
• location	near the Jiu-Cerna Pass
• coordinates	45°16′37″N 22°49′23″E / 45.2769°N 22.8230°E / 45.2769; 22.8230
Mouth	Jiu
• location	Iscroni
• coordinates	45°22′07″N 23°22′04″E / 45.36861°N 23.36778°E / 45.36861; 23.36778
• elevation	554 m (1,818 ft)
Length	54 km (34 mi)
Basin size	496 km2 (192 sq mi)
Basin features
Progression	Jiu→ Danube→ Black Sea

The Jiul de Vest ("Western Jiu", previously also known as Jiul Românesc) is a headwater of the river Jiu in Romania.^[1][2] At its confluence with the Jiul de Est in Iscroni, the Jiu is formed.^[3] Its length is 54 km (34 mi) and its basin size is 496 km² (192 sq mi).^[2] The upper course of the river is also known locally as Câmpușelu.

Jiul simply means "the Jiu", appended by the definite article -l.

The following rivers are tributaries to the river Jiul de Vest (from source to mouth):^[2]

• Left: Iarului, Scorota, Scocu Urzicaru, Pleșa, Buta, Lazăr, Valea Ursească, Toplița, Pilug, Valea de Brazi, Furu, Valea Șerpilor, Sterminos, Mierleasa, Crevedia, Aninoasa
• Right: Șarba, Știrbu, Ursu, Jidanu, Pârâul Rece, Pârâul lui Stan, Valea Boului, Gârbov, Rostovanu, Strugu, Valea de Pești, Pietroasa, Valea Arsă, Pârâul Seciului, Balomir, Tușul, Braia, De La Hagher, Sohodol, Baleia, Pârâul Mare, Merișoara, Valea Ungurului, Pârâul Pinului