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〕 | mouth_elevation_imperial =344 | mouth_elevation_note = 〔 | length_imperial =140 | length_round = 0 | length_note = 〔 | watershed_imperial = | watershed_round = 0 | watershed_note = | discharge_location = | discharge_imperial = | discharge_round = 1 | discharge_note = | discharge_max_imperial = | discharge_min_imperial = | discharge1_location = | discharge1_note = | map = | map_size = 300 | map_caption = |map_alt = | map1 = Alaska Locator Map.PNG | map1_size = 300 | map1_caption = Location of the mouth of the Nenana River in Alaska | map1_locator = Alaska |map1_alt = | commons = }} The Nenana River () is a tributary of the Tanana River, approximately long, in central Alaska in the United States.〔 It drains an area on the north slope of the Alaska Range on the south edge of the Tanana Valley southwest of Fairbanks. It issues from the Nenana Glacier in the northern Alaska Range, southwest of Mount Deborah, approximately 100 mi (160 km) south of Fairbanks. It flows briefly southwest, then west, then north, forming the eastern boundary of Denali National Park and Preserve.〔 It emerges from the mountains onto the broad marshy Tanana Valley, joining the Tanana River from the south at Nenana, Alaska,〔 approximately southwest of Fairbanks. The Tanana River continues to its confluence with the Yukon River. The upper valley of the river furnishes approximately 100 mi (160 km) of the northern route of both the Alaska Railroad and the Parks Highway (Alaska State Highway 3) connecting Fairbanks and Anchorage. The Nenana supports populations of Alaska blackfish, Arctic grayling, Arctic lamprey, broad whitefish, burbot, chum salmon, humpback whitefish, king salmon, lake chubs, least cisco, longnose suckers, northern pike, round whitefish, sheefish, silver salmon, and slimy sculpins.〔Alaska Department of Fish and Game. Rivers of the Lower Tanana Management Area, ("The Nenana River" ) Accessed August 6, 2009.〕 Major archaeological sites located in the valley include Broken Mammoth and Swan Point, of late Pleistocene age. ==Name origin== Lieutenant Henry Allen of the U.S. Army explored the river in 1887. He named it the Cantwell River after Lieutenant John C. Cantwell, of the Revenue Cutter Service, who had explored the Kobuk River region in 1884–85.〔 In 1898, members of the United States Geological Survey reported that people living along the river called it ''Tutlut''. However, the local Tanana name was spelled ''Nenana'' on a later map.〔 A century later, linguist William Bright wrote that the river's name derived from the Lower Tanana (Athabascan) word, ''neenano, meaning the "stopping-while-migrating stream". 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nenana River」の詳細全文を読む スポンサード リンク
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