Copper River | |
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![]() A fisherman (bottom center) dipnetting for salmon on the Copper River at Chitina in Southcentral Alaska | |
Location | |
Country | United States |
State | Alaska |
Physical characteristics | |
Source | |
• location | Copper Glacier on Mount Wrangell |
• coordinates | 62°10′39″N 143°49′05″W / 62.17750°N 143.81806°W |
• elevation | 4,380 ft (1,340 m) |
Mouth | |
• location | Copper Bay of Pacific Ocean |
• coordinates | 60°23′19″N 144°57′39″W / 60.38861°N 144.96083°W |
• elevation | 0 ft (0 m) |
Length | 290 mi (470 km) |
Basin size | 24,000 sq mi (62,000 km2) |
Discharge | |
• average | 57,400 cu ft/s (1,630 m3/s) at mouth |
The Copper River or Ahtna River (/ˈɑːtnə/), Ahtna Athabascan ‘Atna’tuu ([ʔatʰnaʔtʰuː]), "river of the Ahtnas",[1] Tlingit Eeḵhéeni ([ʔìːq.híː.nì]), "river of copper",[2][3] is a 290-mile (470 km) river in south-central Alaska in the United States. It drains a large region of the Wrangell Mountains and Chugach Mountains into the Gulf of Alaska.[4] It is known for its extensive delta ecosystem, as well as for its prolific runs of wild salmon, which are among the most highly prized stocks in the world.[5] The river is the tenth largest in the United States, as ranked by average discharge volume at its mouth.[6]
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