| Topolog | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Argeș, Vâlcea |
| Length: | 111.5km (69.3miles) |
| Source1: | Făgăraș Mountains |
| Source1 Location: | confluence of headwaters Negoiu and Scara |
| Source1 Elevation: | 1340m (4,400feet) |
| Mouth: | Olt |
| Mouth Location: | Ostroveni |
| Mouth Coordinates: | 44.9424°N 24.2647°W |
| Mouth Elevation: | 184m (604feet) |
| Basin Size: | 546.3km2 |
The Topolog is a left tributary of the river Olt in Romania.[1] It discharges into the Olt (Băbeni Reservoir) in Ostroveni.[2] It is formed by two source rivers that come from the southern slopes of the Făgăraș Mountains: Negoiu and Scara. It flows through the communes Sălătrucu, Șuici, Cepari, Tigveni, Ciofrângeni, Poienarii de Argeș, Milcoiu, Nicolae Bălcescu and Galicea. Including its longest source river, Negoiu, its total length is 111.5km (69.3miles) and its basin size is 546.3km2.[3] For much of its length it forms the border between the counties Argeș and Vâlcea.
The following rivers are tributaries to the river Topolog (from source to mouth):