|Basin countries||New Zealand|
|Length||10 km (6.2 mi)|
The Tass River is a river of the West Coast Region of New Zealand's South Island. It flows predominantly northeast from its origins in the Southern Alps east of Lake Hochstetter, reaching the Upper Grey River clse to the southern tip of the Victoria Forest Park.
"Place Name Detail: Tass River". New Zealand Geographic Placenames Database. Land Information New Zealand. Retrieved 12 July 2009.
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