Cosău
| Cosău | |
|---|---|
| Location | |
| Country | Romania |
| Counties | Maramureș County |
| Villages | Budești, Călinești, Cornești, Ferești |
| Physical characteristics | |
| Mouth | Mara |
• location | Ferești |
• coordinates | 47°50′36″N 23°56′12″E / 47.8434°N 23.9367°E |
| Length | 25 km (16 mi) |
| Basin size | 116 km2 (45 sq mi) |
| Basin features | |
| Progression | Mara→ Iza→ Tisza→ Danube→ Black Sea |
| Tributaries | |
| • left | Sâva, Oanța, Râușor |
| • right | Valea Popii |
The Cosău (Hungarian: Kaszó) is a right tributary of the river Mara in Romania. It discharges into the Mara near Ferești. Its length is 25 km (16 mi) and its basin size is 116 km2 (45 sq mi).