The Apa Mare is a right tributary of the river Bega Veche in Romania. It discharges into the Bega Veche in Beregsău Mare. Its length is 69 km (43 mi) and its basin size is 734 km2 (283 sq mi).
The Valea Țiganului is a right tributary of the river Bega in Romania. It discharges into the Bega in Izvin. Its length is 9 km (5.6 mi) and its basin size is 37 km2 (14 sq mi).
The Bega Veche is a left tributary of the river Bega in Romania and Serbia. It discharges into the canalized part of the Bega near Zrenjanin. In Romania, its length is 107 km (66 mi) and its basin size is 2,108 km2 (814 sq mi). The lower part of the river is the old course of the Bega. It drains the area north of the city of Timișoara. It flows through the villages Comeat, Bogda, Charlotenburg, Remetea Mică, Fibiș, Pișchia, Cerneteaz, Covaci, Sânandrei, Săcălaz, Beregsău Mare, Beregsău Mic, Bobda and Cenei in Romania, and through Hetin and Banatski Dvor in Serbia. Many rivers of the Banat plain have been channelized. The channelization started in the 18th century and has continued in the following centuries. At present most of these rivers have been integrated into the system of drainage channels of the area. This development has significantly modified the original natural river network.
The Măgheruș is a right tributary of the river Bega Veche in Romania. It discharges into the Bega Veche in Covaci. Its length is 42 km (26 mi) and its basin size is 159 km2 (61 sq mi).
The Bega or Begej, is a 244 km long river in Romania and Serbia. It rises in the Poiana Ruscă Mountains in Romania, part of the Carpathian Mountains, and it flows into the Tisa river near Titel, Vojvodina, Serbia. Its drainage basin covers an area of 4,458 km2 (1,721 sq mi), of which 2,362 km2 (912 sq mi) in Romania.
The Gladna or Râul is a left tributary of the river Bega in Romania. It discharges into the Bega in Leucușești. Its length is 34 km (21 mi) and its basin size is 173 km2 (67 sq mi). The Surduc Dam is built on the Gladna.
The Bega Poienilor is the right headwater of the river Bega in Romania. At its confluence with the Bega Luncanilor in Curtea, the Bega is formed. Its length is 35 km (22 mi) and its basin size is 173 km2 (67 sq mi).
The Bunea is a right tributary of the river Bega in Romania. It discharges into the Bega near Mănăștiur. Its length is 16 km (9.9 mi) and its basin size is 117 km2 (45 sq mi).
The Behela is a right tributary of the river Bega in Romania. It discharges into the Bega in Timișoara. Its length is 26 km (16 mi) and its basin size is 65 km2 (25 sq mi).
The Vădana is a left tributary of the river Bega in Romania. It discharges into the Bega in Făget. Its length is 16 km (9.9 mi) and its basin size is 35 km2 (14 sq mi).
The Zopana is a left tributary of the river Bega in Romania. It flows into the Bega in Răchita. Its length is 10 km (6.2 mi) and its basin size is 47 km2 (18 sq mi).
The Glavița is a left tributary of the river Bega in Romania. It discharges into the Bega near Chizătău. Its lower course is part of the Coșteiu-Chizătău Canal between the Timiș and the Bega. Its length is 31 km (19 mi) and its basin size is 275 km2 (106 sq mi).
The Chizdia is a right tributary of the river Bega in Romania. It discharges into the Bega near Șanovița. Its length is 34 km (21 mi) and its basin size is 233 km2 (90 sq mi).
The Cladova is a right tributary of the river Bega in Romania. It discharges into the Bega in Bethausen. Its length is 19 km (12 mi) and its basin size is 61 km2 (24 sq mi).
The Nieregiș is a right tributary of the river Bega in Romania. It flows into the Bega near Cutina. Its length is 14 km (8.7 mi) and its basin size is 38 km2 (15 sq mi).
The Miniș is a right tributary of the river Bega in Romania. It discharges into the Bega in Babșa. Its length is 32 km (20 mi) and its basin size is 193 km2 (75 sq mi).
The Năndreasca is a right tributary of the river Bega in Romania. It flows into the Bega near Coșava. Its length is 9 km (5.6 mi) and its basin size is 29 km2 (11 sq mi).
The Mociur is a right tributary of the river Bega in Romania. It flows into the Bega near Șuștra. Its length is 16 km (9.9 mi) and its basin size is 60 km2 (23 sq mi).
The Icui is a right tributary of the river Bega in Romania. It discharges into the Bega in Margina. Its length is 16 km (9.9 mi) and its basin size is 53 km2 (20 sq mi).
The Fădimac is a right tributary of the river Bega in Romania. It flows into the Bega near Balinț. Its length is 14 km (8.7 mi) and its basin size is 172 km2 (66 sq mi).
