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are spawned and reared at the facility. The hatchery attempts to mitigate or make up for some of the lost spawning area by collecting mature adult fish, fertilizing their eggs, and raising them for 1–1½ years, until they are large enough to begin their 500-mile journey to the
Pacific Ocean. The young
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The
Dworshak hatchery is unique because of its ability to control the water temperature in the steelhead rearing ponds. By keeping the temperature at 54 degrees Fahrenheit, the juvenile steelheads are able to be released after one year at a length of 8 inches. In cold water, it would take an
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Dworshak
National Fish Hatchery is open to visitors during daylight hours. The facility has a self-guided tour route and offers pre-arranged guided tours. The hatchery is located approximately three miles west of Orofino, ID on Highway 7.
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fish must survive a variety of hazards in the long journey, including swimming past eight dams on the Snake and
Columbia Rivers. During the summer months the dams increase their water releases to aid fish migration downstream.
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The hatchery is part of
Dworshak Fisheries Complex, which also includes Kooskia National Fish Hatchery, the Idaho Fish Health Center, and the Idaho Fisheries Resource Office.
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The best fish viewing seasons are: February - April for adult steelhead, June - August for adult chinook, and
October - December for coho and steelhead.
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additional year to grow those same 8 inches. The hatchery accomplishes this through the recirculation of up to 90 percent of its water.
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blocks access to the historical spawning areas on the North Fork-Clearwater River for the steelhead, and it is too high for a
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58:(migratory) fish in the world. These fish make a 1000-mile round trip to the ocean and back to spawn in the
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54:. The hatchery is one of the largest combination producers of
124:"Dworshak National Fish Hatchery Comples Fish Species"
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Buildings and structures in
Clearwater County, Idaho
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Nez Perce
Department of Fishery Resource Management
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883:National Fish Hatcheries of the United States
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102:Dworshak Dam and Hatchery were named after
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30:is a mitigation hatchery located on the
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153:Nez Perce Reservation Transit schedule
908:Education in Clearwater County, Idaho
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16:Mitigation hatchery in Idaho, U.S.
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923:1969 establishments in Idaho
898:Tourist attractions in Idaho
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148:Dworshak Fisheries Complex
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359:Boise metropolitan area
859:46.50222°N 116.32500°W
374:Columbia River Plateau
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864:46.50222; -116.32500
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275:Tourist attractions
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38:Reservation near
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394:Magic Valley
364:Cache Valley
311:Demographics
253:Bibliography
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127:. Retrieved
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64:Dworshak Dam
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862: /
850:116°19′30″W
569:Garden City
474:Idaho Falls
439:Yellowstone
384:Great Basin
336:LGBT rights
238:Delegations
82:coho salmon
68:fish ladder
34:within the
877:Categories
847:46°30′08″N
812:Washington
802:Twin Falls
682:Clearwater
642:Bonneville
504:Post Falls
494:Twin Falls
233:Government
129:August 11,
110:References
56:anadromous
767:Nez Perce
722:Jefferson
612:Bear Lake
564:Blackfoot
479:Pocatello
326:Elections
321:Education
243:Governors
228:Geography
208:(capital)
193:State of
74:Steelhead
36:Nez Perce
792:Shoshone
762:Minidoka
732:Kootenai
697:Franklin
647:Boundary
589:Counties
549:Chubbuck
499:Lewiston
484:Caldwell
469:Meridian
341:Politics
331:Gun laws
291:Abortion
50:and the
782:Payette
757:Madison
752:Lincoln
712:Gooding
702:Fremont
667:Caribou
622:Bingham
617:Benewah
607:Bannock
529:Smaller
509:Rexburg
409:Palouse
351:Regions
316:Economy
306:Culture
284:Society
270:Symbols
248:History
78:chinook
40:Ahsahka
807:Valley
777:Owyhee
772:Oneida
727:Jerome
692:Elmore
687:Custer
672:Cassia
662:Canyon
637:Bonner
627:Blaine
579:Burley
574:Jerome
559:Hayden
531:cities
514:Moscow
451:cities
449:Larger
265:People
260:Images
215:Topics
62:. The
797:Teton
787:Power
747:Lewis
742:Lemhi
737:Latah
717:Idaho
677:Clark
657:Camas
652:Butte
632:Boise
602:Adams
544:Ammon
519:Eagle
464:Nampa
459:Boise
301:Crime
223:Index
205:Boise
195:Idaho
44:Idaho
539:Kuna
131:2009
80:and
707:Gem
597:Ada
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76:,
70:.
186:e
179:t
172:v
133:.
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