| Errinundra | |
| Name Other: | Erinunderra |
| Pushpin Map: | Australia Victoria |
| Pushpin Map Caption: | Mouth of the Errinundra River in Victoria |
| Subdivision Type1: | Country |
| Subdivision Name1: | Australia |
| Subdivision Type2: | State |
| Subdivision Name2: | Victoria |
| Subdivision Type3: | Region |
| Subdivision Name3: | South East Corner (IBRA), East Gippsland |
| Subdivision Type5: | Local government area |
| Subdivision Name5: | Shire of East Gippsland |
| Length: | 28km (17miles) |
| Source1: | Cobb Hill, Errinundra Plateau |
| Source1 Location: | Errinundra National Park |
| Source1 Elevation: | 972m (3,189feet) |
| Mouth: | confluence with the Combienbar River to form the Bemm River |
| Mouth Location: | near Boulder Flat |
| Mouth Coordinates: | -37.4761°N 148.9275°W |
| Mouth Elevation: | 129m (423feet) |
| River System: | Bemm River catchment |
| Tributaries Right: | Nixon Creek, Ada River, Shady Creek, Kanuka Creek, St Johns Creek, Bola Creek |
| Custom Label: | National park |
| Custom Data: | Errinundra NP |
| Extra: | [1] [2] |
The Errinundra River is a perennial river of the Bemm River catchment, located in the East Gippsland region of the Australian state of Victoria.
Errinundra River rises below Cobb Hill, part of the Errinundra Plateau, in remote country in the Errinundra National Park, and flows generally south by east, joined by the Ada River and five minor tributaries, before reaching its confluence with the Combienbar River to form the Bemm River, near Boulder Flat, northwest of the town of in the Shire of East Gippsland. The river descends over its 28km (17miles) course.[2]
The Errinundra River sub-catchment area is managed by the East Gippsland Catchment Management Authority.