Călmățuiul Sec
| Călmățuiul Sec | |
|---|---|
| Location | |
| Country | Romania |
| Counties | Olt, Teleorman |
| Villages | Mihăești, Călmățuiu de Sus |
| Physical characteristics | |
| Mouth | Călmățui |
• coordinates | 44°00′48″N 24°48′32″E / 44.0132°N 24.8089°E |
| Length | 48 km (30 mi) |
| Basin size | 167 km2 (64 sq mi) |
| Basin features | |
| Progression | Călmățui→ Danube→ Black Sea |
| River code | XIV.1.31.2 |
The Călmățuiul Sec is a left tributary of the river Călmățui in Romania. It flows into the Călmățui in Balta Sărată. Its length is 48 km (30 mi) and its basin size is 167 km2 (64 sq mi).