| Siriul Mare | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Buzău County |
| Length: | 15km (09miles) |
| Mouth: | Buzău |
| Mouth Location: | Siriu Reservoir |
| Mouth Coordinates: | 45.502°N 26.23°W |
| Basin Size: | 85km2 |
The Siriul Mare is a right tributary of the river Buzău in Romania. It discharges into the Siriu Reservoir, which is drained by the Buzău, near Gura Siriului.[1] Its length is 15km (09miles) and its basin size is 85km2.
The following rivers are tributaries of the Siriul Mare (from source to mouth):
Left: Vâna Mălâei, Milea, Mreaja
Right: Morcovoaia, Siriul Mic, Roșia Mare, Molidu, Monteoru, Valea Popii, Vaca Mare, Vaca Mică