Finniss River
| Finniss River | ||
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| Data | ||
| location | South Australia , Australia | |
| River system | Murray River | |
| Drain over | Murray River → Indian Ocean | |
| source | at Yundi (Mount Lofty Ranges)  35 ° 18 ′ 39 ″ S , 138 ° 38 ′ 21 ″ E  | 
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| Source height | 266 m | |
| muzzle | 
Lake Alexandrina ( Murray River ) Coordinates: 35 ° 22 ′ 50 "  S , 138 ° 48 ′ 7"  E 35 ° 22 ′ 50 "  S , 138 ° 48 ′ 7"  E | 
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| Mouth height | 0 m | |
| Height difference | 266 m | |
| Bottom slope | 5.3 ‰ | |
| length | 50.1 km | |
| Left tributaries | Meadows Creek, Giles Creek | |
| Small towns | Yundi, Finniss | |
The Finniss River is a river in the Australian state of South Australia .
It rises near Yundi on the eastern slopes of the Mount Lofty Ranges . From there it flows to the east and flows into an arm of the Goolwa Channel at Finniss , part of Lake Alexandrina and the Murray River .
The Finniss River was explored by gold digger and explorer Frederick Henry Litchfield on behalf of Boyle Finniss , the first Prime Minister of South Australia .