Lerderderg River
| Lerderderg The Lerdy | |
|---|---|
Lerderderg River, near Darley | |
| Nickname | The Lerdy |
| Location | |
| Country | Australia |
| State | Victoria |
| Region | Victorian Midlands (IBRA), Western District |
| Local government area | Moorabool |
| Town | Bacchus Marsh |
| Physical characteristics | |
| Source | Blackwood Ranges, Great Dividing Range |
| • location | Lerderderg State Forest |
| • coordinates | 37°29′37″S 144°21′36″E / 37.49361°S 144.36000°E |
| • elevation | 474 m (1,555 ft) |
| Mouth | confluence with the Werribee River |
• location | within the Melton Reservoir |
• coordinates | 37°42′27″S 144°31′08″E / 37.70750°S 144.51889°E |
• elevation | 91 m (299 ft) |
| Length | 40 km (25 mi) |
| Basin features | |
| River system | Port Phillip catchment |
| Tributaries | |
| • left | The Old River, Goodman Creek |
| National park | Lerderderg State Park |
The Lerderderg River (known locally as The Lerdy) is a perennial river of the Port Phillip catchment, located in the Western District region of the Australian state of Victoria.