The Yass River is a river in the state of 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...

, Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. The town of Yass

Yass, New South Wales

Yass is a town in the Southern Tablelands of New South Wales, Australia in Yass Valley Shire. The name appears to have been derived from an Aboriginal word, "Yarrh" , said to mean 'running water'....

 is located on the Yass River a short distance from its confluence

Confluence (geography)

In geography, a confluence is the meeting of two or more bodies of water. It usually refers to the point where two streams flow together, merging into a single stream...

 with the Murrumbidgee River

Murrumbidgee River

The Murrumbidgee River is a major river in the state of New South Wales, Australia, and the Australian Capital Territory . A major tributary of the Murray River, the Murrumbidgee flows in a west-northwesterly direction from the foot of Peppercorn Hill in the Fiery Range of the Snowy Mountains,...

.

There are two competing theories as to the origin of the name Yass. A member of Hume

Hamilton Hume

Hamilton Hume was the first Australian born explorer. Along with Hovell in 1824, Hume was part of an expedition that first took an overland route from Sydney to Port Phillip near the site of present day Melbourne...

's exploration party supposedly climbed a tree to view the area, and when asked if it looked like good grazing country he replied, "Yass"; alternatively the name could derive from the aboriginal word "yharr" supposedly the local tribe's name for the river, literally translated to "running water".