Moonan Brook
| Moonan Brook Bells Creek  | |
|---|---|
| Location | |
| Country | Australia | 
| State | New South Wales | 
| Region | Sydney Basin (IBRA), Upper Hunter | 
| Local government area | Upper Hunter | 
| Physical characteristics | |
| Source | Mount Barrington, Mount Royal Range | 
| • location | Barrington Tops National Park | 
| • elevation | 1,350 m (4,430 ft) | 
| Mouth | confluence with the Hunter River | 
 • location  | at Moonan Flat | 
 • elevation  | 410 m (1,350 ft) | 
| Length | 26 km (16 mi) | 
| Basin features | |
| River system | Hunter River catchment | 
| National park | Barrington Tops NP | 
Moonan Brook, a mostly perennial stream of the Hunter River catchment, is located in the Hunter region of New South Wales, Australia.