| Blackwater Creek | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Australia |
| Subdivision Type2: | State |
| Subdivision Name2: | New South Wales |
| Subdivision Type3: | Region |
| Subdivision Name3: | NSW North Coast (IBRA), Hunter |
| Subdivision Type5: | Local government area |
| Subdivision Name5: | Muswellbrook |
| Length: | 34km (21miles) |
| Source1: | Great Dividing Range |
| Source1 Location: | below Mount Coricudgy |
| Source1 Elevation: | 728m (2,388feet) |
| Mouth: | Widden Brook |
| Mouth Location: | south southwest of |
| Mouth Elevation: | 226m (741feet) |
| River System: | Hunter River catchment |
| Extra: | [1] |
Blackwater Creek, a perennial stream of the Hunter River catchment, is located in the Hunter region of New South Wales, Australia.
The Blackwater Creek rises below Mount Coricudgy, on the eastern slopes of the Great Dividing Range. The river flows generally northeast and then northwest before reaching its confluence with the Widden Brook in remote country south southwest of . The river descends over its course.[1]