South Esk River
| South Esk | |
|---|---|
South Esk River in Launceston | |
| Native name |
|
| Location | |
| Country | Australia |
| State | Tasmania |
| Region | Northern Tasmania |
| Physical characteristics | |
| Source | Ben Lomond |
| • location | Mathinna Plains |
| • elevation | 810 m (2,660 ft) |
| Source confluence | North Esk River |
| • location | Trevallyn |
| • coordinates | 41°43′16″S 147°13′06″E / 41.72111°S 147.21833°E |
| • elevation | 0 m (0 ft) |
| Mouth | Tamar River |
• location | Launceston |
• coordinates | 41°27′S 147°07′E / 41.450°S 147.117°E |
• elevation | 0 m (0 ft) |
| Length | 252 km (157 mi) |
| Basin features | |
| River system | Tamar River |
| Tributaries | |
| • left | River Tyne, Break O'Day River, St Pauls River, Meander River |
| • right | Nile River, Macquarie River, North Esk River |
| Reservoirs | Lake Trevallyn |
The South Esk River, the longest river in Tasmania, is a major perennial river located in the northern region of Tasmania, Australia.