The Prahova is a river of Southern Romania, which rises from the Bucegi Mountains, in the Southern Carpathians. It is a left tributary of the Ialomița. It flows into the Ialomița in Dridu Snagov. The upper reach of the river, upstream of the confluence with the river Azuga is sometimes called the Prahovița.
The Topolog is a river in Dobruja, Romania, a right tributary of the Danube. It rises near the commune of Topolog, in the Casimcea Plateau of Tulcea County forming the Topolog Depression, which divides the Plateau in two parts: the Casimcea Plateau proper and the Hârșova Plateau. Initially, it flows from northwest toward southeast, but eventually, it changes to east-west, spilling into Lake Hazarlâc, which is connected with the Danube. Its length is 50 km (31 mi) and its basin size is 342 km2 (132 sq mi).
The Teleajen is a left tributary of the river Prahova in southern Romania. Its source is at 1,754 m (5,755 ft) elevation in the Ciucaș Mountains, north of Roșu Peak and the locality of Cheia. Upstream from its confluence with the Gropșoarele in Cheia, it is also called Berea or Cheița. It flows through the Cheia hollow, by the towns of Vălenii de Munte and Boldești-Scăeni and the city of Ploiești. It discharges into the Prahova near Palanca. Its length is 122 km (76 mi) and its basin size is 1,656 km2 (639 sq mi).
Telega is a commune in Prahova County, Muntenia, Romania. It is composed of six villages: Boșilcești, Buștenari, Doftana, Melicești, Telega and Țonțești.
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 Jijila is a right tributary of the Danube in Romania. It flows into Lake Jijila, which is connected with the Danube, near the village I. C. Brătianu. Its length is 14 km (8.7 mi) and its basin size is 41 km2 (16 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 Bucovel is a left tributary of the river Teleajen in Romania. It discharges into the Iazul Morilor Teleajen, which is connected to the Teleajen, in Bucov. Its length is 25 km (16 mi) and its basin size is 102 km2 (39 sq mi).
The Bughea is a right tributary of the river Teleajen in Romania. It flows into the Teleajen near Gura Vitioarei. Its length is 18 km (11 mi) and its basin size is 27 km2 (10 sq mi).
The Crasna is a right tributary of the river Teleajen in Romania. It discharges into the Teleajen in Izvoarele. Its length is 22 km (14 mi) and its basin size is 51 km2 (20 sq mi).
The Ghighiu is a right tributary of the river Teleajen in Romania. It flows into the Teleajen in Antofiloaia. Its length is 10 km (6.2 mi) and its basin size is 28 km2 (11 sq mi).
The Ciugud is a right tributary of the river Mureș in Transylvania, Romania. It discharges into the Mureș in Inoc. Its length is 15 km (9.3 mi) and its basin size is 35 km2 (14 sq mi).
The Gropșoarele is a left tributary of the river Teleajen in Romania. It flows into the Teleajen in Cheia. Its length is 7 km (4.3 mi) and its basin size is 13 km2 (5.0 sq mi).
The Drajna is a left tributary of the river Teleajen in Romania. It discharges into the Teleajen in Piatra. It flows through the villages Slon, Valea Lespezii, Cerașu, Valea Borului, Podurile, Drajna, Pițigoi and Drajna de Jos. Its length is 25 km (16 mi) and its basin size is 106 km2 (41 sq mi).
The Vărbilău is a right tributary of the river Teleajen in Romania. It discharges into the Teleajen in Dumbrăvești. It flows through the villages Târșoreni, Scurtești, Ștefești, Aluniș, Livadea, Vărbilău, Poiana Vărbilău, Coțofenești and Dumbrăvești. Its length is 37 km (23 mi) and its basin size is 217 km2 (84 sq mi).
The Dâmbu is a right tributary of the river Teleajen in Romania. It flows through the city Ploiești and the villages Băicoi, Păulești, Corlătești and Goga. It discharges into the Teleajen in Buchilași. Its length is 39 km (24 mi) and its basin size is 190 km2 (73 sq mi).
The Leaotul is a right tributary of the river Teleajen in Romania. It flows into the Teleajen near Palanca. Its length is 47 km (29 mi) and its basin size is 175 km2 (68 sq mi).
Gura Vitioarei is a commune in Prahova County, Muntenia, Romania. It is composed of five villages: Bughea de Jos, Făgetu, Fundeni, Gura Vitioarei, and Poiana Copăceni.
The Telega is a right tributary of the river Teleajen in Romania. It discharges into the Teleajen in Plopeni. It flows through the villages Melicești, Telega, Mislea, Sârca, Scorțeni, Bordenii Mici, Cocorăștii Mislii, Țipărești and Plopeni. Its length is 30 km (19 mi) and its basin size is 182 km2 (70 sq mi).
