| Eucumbene River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Australia |
| Subdivision Type2: | State |
| Subdivision Name2: | New South Wales |
| Subdivision Type3: | Region |
| Subdivision Name3: | Australian Alps (IBRA), Snowy Mountains |
| Subdivision Type4: | Local government area |
| Subdivision Name4: | Snowy Monaro Regional Council |
| Subdivision Type5: | Town |
| Subdivision Name5: | Jindabyne |
| Length: | 84km (52miles) |
| Source1: | Snowy Mountains |
| Source1 Location: | below Shaw Hill |
| Source1 Elevation: | 1380m (4,530feet) |
| Mouth: | confluence with the Snowy River |
| Mouth Location: | Lake Jindabyne |
| Mouth Elevation: | 900m (3,000feet) |
| River System: | Snowy River catchment |
| Tributaries Left: | Chance Creek, Alpine Creek (New South Wales), Gang Gang Creek |
| Tributaries Right: | Tabletop Creek, Hughes Creek, Swamp Creek (New South Wales, Snowy River), Big Tolbar Creek |
| Custom Label: | National park |
| Custom Data: | Kosciuszko NP |
| Extra: | [1] |
The Eucumbene River, a perennial river of the Snowy River catchment, is located in the Snowy Mountains region of New South Wales, Australia.
The Eucumbene River rises below Shaw Hill, in the northern part of the Kosciuszko National Park, approximately north of the village of Kiandra. The river flows generally south and southeast before emptying into Lake Eucumbene where its flow is impounded by Eucumbene Dam. After passing through or over the dam wall, the river flows generally south before emptying into Lake Jindabyne, impounded by Jindabyne Dam. Within Lake Jindabyne, the river reaches its confluence with the Snowy River.
The river descends over its course, joined by seven minor tributaries.[1]
The flow of the river is impacted by alpine conditions, with high flows during spring as a result of snow melt. During winter, the river is subject to snow and ice conditions.
The Snowy Mountains Highway crosses the river at several locations between Adaminaby and Kiandra.[1]