Cosna River
| Cosna River | ||
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| Data | ||
| Water code | US : 1400704 | |
| location | Alaska (USA) | |
| River system | Yukon River | |
| Drain over | Tanana River → Yukon River → Bering Sea | |
| Headwaters |
Kuskokwim Mountains 64 ° 24 ′ 34 " N , 152 ° 0 ′ 31" W. |
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| muzzle |
Tanana River at Manley Hot Springs Coordinates: 64 ° 51 '16 " N , 151 ° 21' 55" W 64 ° 51 '16 " N , 151 ° 21' 55" W. |
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| Mouth height |
76 m
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| length | approx. 70 km | |
The Cosna River is an approx. 70 km long left tributary of the Tanana River in the interior of Alaska .
The headwaters of the river are in the Kuskokwim Mountains . It flows northeast to its confluence with the Tanana River 37 km southwest of Manley Hot Springs . The Cosna River is part of the river system of the Yukon River .
The name goes back to the name of the Tanana , a people of the indigenous people of Alaska , documented by Lieutenant JS Herron in 1899 for the river.