Negreasca
| Negreasca | |
|---|---|
| Location | |
| Country | Romania |
| Counties | Buzău County |
| Physical characteristics | |
| Mouth | Călmățui |
• coordinates | 44°59′35″N 26°55′44″E / 44.9931°N 26.9290°E |
| Length | 20 km (12 mi) |
| Basin size | 73 km2 (28 sq mi) |
| Basin features | |
| Progression | Călmățui→ Danube→ Black Sea |
The Negreasca is a left tributary of the river Călmățui in Romania. It flows into the Călmățui in Albești. Its length is 20 km (12 mi) and its basin size is 73 km2 (28 sq mi).