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Turnback Canyon Helicopter Portage - Alsek River - Ride of the Valkyries
Turnback Canyon Helicopter Portage - Alsek River - Ride of the Valkyries
Published: 2012/10/03
Channel: Laura Parent
Alsek River Expedition
Alsek River Expedition
Published: 2013/03/06
Channel: wildernessriver
Alsek River
Alsek River
Published: 2012/12/06
Channel: ryan bougie
Rafting down the Alsek River, Alaska
Rafting down the Alsek River, Alaska
Published: 2017/04/07
Channel: Cameron Reid
Paddling the wild Tatshenshini and Alsek Rivers - Part 1
Paddling the wild Tatshenshini and Alsek Rivers - Part 1
Published: 2016/02/07
Channel: Michael Allender
Alsek 2016
Alsek 2016
Published: 2016/07/06
Channel: Ryan Drummond
Tatshenshini & Lower Alsek River Trip
Tatshenshini & Lower Alsek River Trip
Published: 2014/08/20
Channel: Christie Eastman
Alsek River
Alsek River
Published: 2008/09/19
Channel: wildernessriver
Alsek River Rafting Expedition
Alsek River Rafting Expedition
Published: 2010/10/07
Channel: Colorado River & Trail Expeditions
Alsek River Trip - 2015
Alsek River Trip - 2015
Published: 2016/06/19
Channel: John Lynch
Alsek River Alaska
Alsek River Alaska
Published: 2013/09/07
Channel: dan maricich
Lava North, Alsek River
Lava North, Alsek River
Published: 2015/09/15
Channel: Natali Zollinger
The Tatshenshini and Alsek Rivers - Part 2
The Tatshenshini and Alsek Rivers - Part 2
Published: 2016/02/07
Channel: Michael Allender
2012 Alsek River Adventure
2012 Alsek River Adventure
Published: 2012/09/15
Channel: SnM inSEAK
Rafting down Alsek river, Alaska
Rafting down Alsek river, Alaska
Published: 2017/02/05
Channel: Cameron Reid
Upper Alsek River
Upper Alsek River
Published: 2010/09/07
Channel: TheJameslittle
Spectacular helicopter flight over Lowell Glacier and the Alsek River in Kluane National Park
Spectacular helicopter flight over Lowell Glacier and the Alsek River in Kluane National Park
Published: 2012/07/30
Channel: TheAdventuresofDon
Alsek River
Alsek River
Published: 2016/10/31
Channel: Frederik Scherpereel
Alsek River
Alsek River
Published: 2016/08/12
Channel: WikiWikiup
Paddling the Wild Tatshenshini and Alsek Rivers - Part 3
Paddling the Wild Tatshenshini and Alsek Rivers - Part 3
Published: 2016/02/07
Channel: Michael Allender
The Alsek - River of Dreams Part 1
The Alsek - River of Dreams Part 1
Published: 2016/02/07
Channel: Michael Allender
Alsek River Trail by bike
Alsek River Trail by bike
Published: 2012/08/24
Channel: Jérôme Bossert
FSX | Bush Flying | Alaska - Alsek River
FSX | Bush Flying | Alaska - Alsek River
Published: 2017/04/02
Channel: Ricardo Meneghelli
Iceberg Excitement - Alsek.m4v
Iceberg Excitement - Alsek.m4v
Published: 2010/07/11
Channel: Gordon Wing
Tatshenshini/Alsek Rivers
Tatshenshini/Alsek Rivers
Published: 2013/08/31
Channel: David W. Hamilton
Canoeing the Tatshenshini and Alsek Rivers
Canoeing the Tatshenshini and Alsek Rivers
Published: 2010/09/16
Channel: Mark Scantlebury
Infamous Whitewater: Kayaking Alsek & Stikine | Water & People, Ep. 4
Infamous Whitewater: Kayaking Alsek & Stikine | Water & People, Ep. 4
Published: 2014/01/27
Channel: EpicTV
Alsek confluence
Alsek confluence
Published: 2009/09/13
Channel: alpenherb
Melting Glaciers - Climate Change and the Alsek River
Melting Glaciers - Climate Change and the Alsek River
Published: 2008/08/04
Channel: Olivia Chow
Alsek River, Lowell Lake, Lowell Glacier, Kluane National Park and UNESCO World Heritage Site
Alsek River, Lowell Lake, Lowell Glacier, Kluane National Park and UNESCO World Heritage Site
Published: 2013/02/06
Channel: nahannidotcom1
Alsek River - Rudy
Alsek River - Rudy's Strip
Published: 2007/09/17
Channel: Rob en Kohinoor de Vries
Landing Rudy
Landing Rudy's Strip - Alsek River
Published: 2013/12/12
Channel: Capt. Chaos
River vs Glacier
River vs Glacier
Published: 2012/07/06
Channel: smdjansen
Lowell Lake, Alsek River, Goatherd Hike, Kluane National Park and UNESCO World Heritage Site
Lowell Lake, Alsek River, Goatherd Hike, Kluane National Park and UNESCO World Heritage Site
Published: 2013/02/06
Channel: nahannidotcom1
Haines Junction, Alsek and Kaskawulsh Rivers
Haines Junction, Alsek and Kaskawulsh Rivers
Published: 2013/10/19
Channel: subzero674
Running the Tatshenshini-Alsek River  1994 "Could it be"
Running the Tatshenshini-Alsek River 1994 "Could it be"
Published: 2012/09/07
Channel: ElderandSister Tiffany
Tatshenshini Alsek  River Trip Slideshow 2010.m4v
Tatshenshini Alsek River Trip Slideshow 2010.m4v
Published: 2010/09/06
Channel: lisadearingphoto
Alsek Range Traverse, Alaska and British Columbia
Alsek Range Traverse, Alaska and British Columbia
Published: 2011/05/04
Channel: Luc Mehl
Alsek
Alsek
Published: 2007/08/11
Channel: HotShotsVideo
Alsek Lake August 2011
Alsek Lake August 2011
Published: 2011/08/18
Channel: Jeff Szarzi
Cat in the Washing Machine Rapid Alsek River 2011
Cat in the Washing Machine Rapid Alsek River 2011
Published: 2011/08/19
Channel: Jeff Szarzi
(pilot) SA Episode 00 : Yakutat - Alsek River Cabin
(pilot) SA Episode 00 : Yakutat - Alsek River Cabin
Published: 2017/07/23
Channel: Bush Flightsim
Walker Glacier Alsek River August 2011
Walker Glacier Alsek River August 2011
Published: 2011/08/18
Channel: Jeff Szarzi
Retour en 2012 : Vélo de randonnée au yukon : Alsek River trail
Retour en 2012 : Vélo de randonnée au yukon : Alsek River trail
Published: 2016/04/04
Channel: Jerome Bossert pour pedalemoinsvite
The Alsek - River of Dreams Part 2
The Alsek - River of Dreams Part 2
Published: 2016/02/07
Channel: Michael Allender
Alsek Diaries
Alsek Diaries
Published: 2017/02/11
Channel: Brian Ward
The Alsek - River of Dreams Part 3
The Alsek - River of Dreams Part 3
Published: 2016/02/07
Channel: Michael Allender
Tat Alsek 2
Tat Alsek 2
Published: 2015/09/30
Channel: Jonathan Cornelius
Landing my Cessna 182Q at Alsek River A57, Yakutat, Alaska, USA. VFR Flight.
Landing my Cessna 182Q at Alsek River A57, Yakutat, Alaska, USA. VFR Flight.
Published: 2009/09/21
Channel: b747power
Canada glacier melting: diverted in the rare case of river piracy.
Canada glacier melting: diverted in the rare case of river piracy.
Published: 2017/04/17
Channel: Science and more
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Alsek River
River
Confluence of Alsek and Tatshenshini rivers2.JPG
Confluence of the Alsek and Tatshenshini rivers
Countries United States, Canada
State Alaska
Province Yukon, British Columbia
Source Kluane National Park and Reserve
 - coordinates 60°38′46″N 137°48′26″W / 60.64611°N 137.80722°W / 60.64611; -137.80722
Mouth Pacific Ocean
 - location Dry Bay, Yakutat City and Borough, Alaska, Alaska
 - elevation 0 m (0 ft)
 - coordinates 59°7′40″N 138°37′14″W / 59.12778°N 138.62056°W / 59.12778; -138.62056Coordinates: 59°7′40″N 138°37′14″W / 59.12778°N 138.62056°W / 59.12778; -138.62056 [1]
Basin 28,023 km2 (10,819.7 sq mi) [2]
Discharge
 - average 862.6 m3/s (30,462 cu ft/s) [2]

The Alsek River (/ˈælˌsɛk/; Tlingit Aalseix̱' ) is a wilderness river flowing from Yukon into Northern British Columbia and into Alaska.[3] It enters the Gulf of Alaska at Dry Bay.

Most of the Alsek River's basin is within protected wilderness areas and National Parks.[2] The Alsek and its main tributary, the Tatshenshini River, are part of the Canadian Heritage Rivers System and a UNESCO World Heritage Site.[2]

In the year 2016, the Alsek River captured the flow of the Slims River due to the retreat of Kaskawulsh Glacier.[4] Researchers attributed the change in flow to human-caused climate change; this was the first time human-caused climate change was implicated in the reorganization of a river.[5]

Course[edit]

Location of Alsek River

The Alsek starts at the confluence of the Dezadeash River and Kaskawulsh River in Kluane National Park and Reserve. After flowing south into the northwestern tip of British Columbia, it is joined by the Tatshenshini River in Tatshenshini-Alsek Park. It reaches the Pacific Ocean at Dry Bay, in the Gulf of Alaska, south of Yakutat, Alaska, close to the northern end of the Alaska Panhandle. Although the river is navigable by kayak or rubber raft in its northern reaches, it rapidly becomes unnavigable—for any but the most experienced and skilled kayakers—at Turnback Canyon.

On older maps, the Alsek river is labeled as the Kaskawulsh and The Tatshenshini as the Alsek. Some Yukon First Nation elders also refer to the river as the Kaskawulsh.

The river flows next to the Lowell glacier which has sometimes blocked off the river and created a large lake behind it, "Neoglacial Lake Alsek." The last such blockage took place in 1850; its release created a massive flood, washing away everything in its path on the way to the Pacific.[6]

The river carries a lot of silt from the Alsek lake/glacier, which contributes to the river's low temperature.

The Alsek and nearby East Alsek rivers were at one time connected, and the old river bed can still be made out on some maps.

The Alsek glacier contacts the Grand Plateau Glacier, which faces the shoreline. Also in the same general area are the Doame foothills and Doame River.

Alsek River (in distance) near junction with Sugden Creek inside Kluane National Park

History[edit]

The first known kayak descent of Turnback Canyon was by Walt Blackadar, who ran the canyon solo on August 25, 1971. He wrote about his trip for Sports Illustrated.[7] "This has been a day!," he wrote in his journal. "I want any other kayaker or would-be expert to read my words well. The Alsek Gorge is unpaddleable!" Despite this sincere warning from a man who apparently felt lucky to be alive, groups of expert kayakers have successfully run Turnback Canyon since then.[8][9] A prominent mountain which overlooks the Alsek was named Mount Blackadar in his honor.

The portion of the river inside Kluane National Park has been designated a Canadian Heritage River.

In 1958, a magnitude 7.7 earthquake centered near Lituya bay significantly changed the lay of the land.[10] The earthquake caused the Doame River and East Alsek River to join together.

In the year 2016, after capturing the flow of the Slims River, the Alsek River's flow increased dramatically.[11]

Fishing[edit]

The Alsek and East Alsek rivers are a part of the Yakutat area limited entry set gillnet fishery.[12] Both rivers produce king, silver, and sockeye commercially. Chum and pink salmon can also be caught, but are not generally sought after due to their relative lack of worth/quality. These two rivers can be characterized as low volume fisheries, while the Alsek river in particular produces particularly high quality salmon due to its low temperature. The Alsek's silt content also prevents the sun from damaging the fish.

The area also supports subsistence and sport fishing. There are multiple local sport fishing, sight-seeing, hunting, and animal watching lodges

See also[edit]

References[edit]

Further reading[edit]

  • Jettmar, Karen (2008). The Alaska River Guide: Canoeing, Kayaking and Rafting in the Last Frontier. Menasha Ridge Press. ISBN 978-0897329576
  • Cassidy, Jim, and Dunlap, Dan (1999). World Whitewater: A Global Guide for River Runners. McGraw-Hill. ISBN 0-07-011962-7
  • Embick, Andrew (1994). Fast and Cold: A Guide to Alaska Whitewater. Valdez Alpine Books. ISBN 1-56044-269-7.
  • Lyman, Russ, et al. (2000). The Complete Guide to the Tatshenshini River Including the Upper Alsek River. Haines, Alaska: Cloudburst Productions. ISBN 0-9728122-1-0
  • Watters, Ron (1995). Never Turn Back: The Life of Whitewater Pioneer Walt Blackadar. The Great Rift Press. ISBN 1-877625-02-7 (hardcover) ISBN 1-877625-03-5 (paperback)

External links[edit]

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