| Warnes River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Australia |
| Subdivision Type2: | State |
| Subdivision Name2: | New South Wales |
| Subdivision Type3: | IBRA |
| Subdivision Name3: | New England Tablelands |
| Subdivision Type4: | District |
| Subdivision Name4: | Northern Tablelands |
| Subdivision Type5: | Local government area |
| Subdivision Name5: | Walcha |
| Length: | 23km (14miles) |
| Source1: | Mount Werrikimbe, Great Dividing Range |
| Source1 Location: | near Red Hill |
| Source1 Elevation: | 1010m (3,310feet) |
| Mouth: | confluence with the Yarrowitch River |
| Mouth Location: | near Yarrowitch |
| Mouth Elevation: | 437m (1,434feet) |
| River System: | Macleay River catchment |
| Extra: | [1] |
Warnes River, a perennial stream of the Macleay River catchment, is located in the Northern Tablelands district of New South Wales, Australia.
Warnes River rises below Mount Werrikimbe, on the eastern slopes of the Great Dividing Range south of Red Hill, and flows generally west northwest then north within Oxley Wild Rivers National Park before reaching its confluence with the Yarrowitch River, northeast of Yarrowitch; descending over its course.[1]