Johnson River (Tanana River)
| Johnson River | ||
 Bridge of the Alaska Highway over the Johnson River |
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| Data | ||
| Water code | US : 1404199 | |
| location | Alaska (USA) | |
| River system | Yukon River | |
| Drain over | Tanana River → Yukon River → Bering Sea | |
| origin |
Johnson Glacier in the Alaska range 63 ° 27 ′ 11 ″ N , 144 ° 51 ′ 42 ″ W |
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| Source height | approx. 800 m | |
| muzzle |
Tanana River at Delta Junction Coordinates: 63 ° 43 ′ 19 " N , 144 ° 37 ′ 23" W 63 ° 43 ′ 19 " N , 144 ° 37 ′ 23" W |
|
| Mouth height | 397 m | |
| Height difference | approx. 403 m | |
| Bottom slope | approx. 10 ‰ | |
| length | 39 km | |
| Left tributaries | Runoff of the Spur Glacier | |
The Johnson River is a 39 km long left tributary of the Tanana River in the interior of Alaska .
The river has its source in the Johnson Glacier in the northern Alaska range , flows northward and flows into the Tanana River 66 km east of Delta Junction . Just before the mouth of the river, the Alaska Highway crosses the river. The Johnson River is part of the Yukon river system .
The river was named in the 1880s by Lieutenant Henry T. Allen after Peder Johnson, a Swedish miner and member of his expedition.