The Bârlad is a river in eastern Romania, a left tributary of the river Siret. Its total length is 207 km (129 mi), and its drainage basin area is 7,220 km2 (2,790 sq mi). Its source is in the low hills between the Siret and Prut rivers, southwest of Iași. It flows generally south, through the cities of Negrești, Vaslui, Bârlad and Tecuci. The Bârlad flows through the Romanian counties of Neamț, Vaslui and Galați. It flows into the Siret near Suraia.
The Vaidei is a left tributary of the river Mureș in Romania. It discharges into the Mureș near Geoagiu. Its length is 14 km (8.7 mi) and its basin size is 26 km2 (10 sq mi).
The Ghimbășel is a left tributary of the river Bârsa in Romania. Its source is in the northern part of the Bucegi Mountains. Originally it discharged directly into the Olt, but much of its flow has been diverted into the Bârsa, another tributary of the Olt, near Colonia Bod. Its length is 67 km (42 mi) and its basin size is 533 km2 (206 sq mi). The former lower course of the Ghimbășel, downstream of this diversion, still exists and is used for the discharge of local inflows. It flows into the Olt north of Bod. Its length is 6 km (3.7 mi) and its basin size is 8 km2 (3.1 sq mi).
The Geoagiu is a right tributary of the river Mureș in Transylvania, Romania. It discharges into the Mureș in Teiuș. Its length is 49 km (30 mi) and its basin size is 187 km2 (72 sq mi).
The Petriș is a right tributary of the river Mureș in Romania. It discharges into the Mureș in Seliște. Its length is 14 km (8.7 mi) and its basin size is 111 km2 (43 sq mi).
The Tutova is a right tributary of the river Bârlad in Romania. It discharges into the Bârlad in the village Tutova. It flows through the villages Plopana, Străminoasa, Dragomirești, Mărășești, Puiești, Iana, Pogana, Ciocani, Ivești and Pogonești. Its length is 86 km (53 mi) and its basin size is 687 km2 (265 sq mi). The Cuibul Vulturilor Dam is located on the river Tutova.
Lipova is a river in Romania. It is a left tributary of the Tutova. It flows into the Tutova in Băbuța. Its length is 25 km (16 mi) and its basin size is 76 km2 (29 sq mi).
The Studineț is a left tributary of the river Tutova in Romania. It discharges into the Tutova in Iana. Its length is 28 km (17 mi) and its basin size is 96 km2 (37 sq mi).
The Homorod is a right tributary of the river Mureș in Romania. It discharges into the Mureș near Geoagiu. Its length is 14 km (8.7 mi) and its basin size is 33 km2 (13 sq mi).
The Turdaș is a left tributary of the river Mureș in Romania. It discharges into the Mureș in the village Turdaș. Its length is 14 km (8.7 mi) and its basin size is 65 km2 (25 sq mi).
The Gudea Mare is a left tributary of the river Mureș in Transylvania, Romania. It discharges into the Mureș in Stânceni. Its length is 14 km (8.7 mi) and its basin size is 49 km2 (19 sq mi).
The Peștiș is a left tributary of the river Mureș in Romania. It discharges into the Mureș in Cuiaș. Its length is 9 km (5.6 mi) and its basin size is 34 km2 (13 sq mi).
The Borzontul Mare is a left tributary of the river Mureș in Romania. It discharges into the Mureș near Joseni. The upper reach of the river is also known as Putna. Its length is 15 km (9.3 mi) and its basin size is 46 km2 (18 sq mi).
The Valea Vințului is a right tributary of the river Mureș in Transylvania, Romania. It discharges into the Mureș in Vințu de Jos. Its length is 13 km (8.1 mi) and its basin size is 30 km2 (12 sq mi).
The Căian is a right tributary of the river Mureș in Romania. It discharges into the Mureș in Bejan. Its length is 25 km (16 mi) and its basin size is 170 km2 (66 sq mi).
The Horoiata is a right tributary of the river Bârlad in Romania. It discharges into the Bârlad near the village Horoiata. It originates on the Tutova Plateau near Fundu Văii. It crosses the localities of Fundu Văii, Căpușneni, Orgoiești, Vișinari, Vlădești, Ulea, Unțești and Horoiata, before joining the Bârlad near Gara Banca. Its length is 29 km (18 mi) and its basin size is 45 km2 (17 sq mi).
The Gârbova is a right tributary of the river Mureș in Transylvania, Romania. It discharges into the Mureș in Țifra, south of Aiud. Its length is 17 km (11 mi) and its basin size is 35 km2 (14 sq mi).
The Almaș is a right tributary of the river Mureș in Romania. It discharges into the Mureș near Zam. Its length is 18 km (11 mi) and its basin size is 86 km2 (33 sq mi).
The Iezer is a left tributary of the river Tutova in Romania. It discharges into the Tutova in the village Iezer. Its length is 28 km (17 mi) and its basin size is 65 km2 (25 sq mi).
The Boholt is a right tributary of the river Mureș in Romania. It discharges into the Mureș in Șoimuș. Its length is 12 km (7.5 mi) and its basin size is 23 km2 (8.9 sq mi).
