Talbingo Dam is located on the Tumut River

Tumut River

The Tumut River is a river in New South Wales, Australia.The Tumut River rises on the northern face of Mount Jagungal in the Snowy Mountains of southern New South Wales. It flows about 145km before joining the Murrumbidgee River, at Darbalara near the town of Gundagai...

 in southern New South Wales

New South Wales

New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

. It is the largest dam in the Snowy Mountains Scheme

Snowy Mountains Scheme

The Snowy Mountains scheme is a hydroelectricity and irrigation complex in south-east Australia. It consists of sixteen major dams; seven power stations; a pumping station; and 225 kilometres of tunnels, pipelines and aqueducts and was constructed between 1949 and 1974. The Chief engineer was Sir...

, with the associated Tumut 3 Power Station also the largest in the project. The dam is a 162 metre (530 feet) high rockfill structure with an upstream sloping silty clay core, and on completion in 1971 was the highest dam in Australia.
The Tumut-3 Hydroelectric Power Station is located directly downstream of the dam wall. A pumping station at Tumut-3 also returns water to the reservoir for later generation use in periods of peak-demand.