49:
64:
466:, starting in 1974. An area of 9,900 km (3,800 sq mi) was flooded and almost all of the flow of the Eastmain River and approximately 70% of the flows of the Rupert River were diverted into the La Grande watershed. The following generating stations are on the La Grande River and its tributaries in upstream order:
530:
levels increased in the fish, which forms an important part of their diet, as the organic material trapped by the rising waters in the new reservoirs began to filter into the food chain. Careful follow-up by Cree health authorities since the 1980s has been largely successful. The authorities continue
1631:
349:
Originally, the La Grande River drained an area of 97,400 km (37,600 sq mi), and had a mean discharge of 1,690 m/s (60,000 cu ft/s). Since the 1980s, when
526:
people of the region lost some parts of their traditional hunting and trapping territories (about 10% of the hunting and trapping territories used by the Cree of
Chisasibi). Organic
555:
1569:
531:
to promote the regular consumption of fish, with the notable exception of the predatory species living in the reservoirs, which still show high levels of mercury.
1542:
1588:"'Caught Between Two Worlds' : Modern Man's Encroachment in Quebec Forever Alters Cree Way of Life : Quebec Dams Evict Tribe From Home"
1492:
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28:
1686:
1563:
Environmental
Monitoring of the La Grande-2-A and La Grande-1 Projects. Abridged Summary Report 1987-2000. La Grande Winter plume.
210:
1515:
481:
392:, which replaced Fort George in 1980, is situated on the southern shore of the La Grande River, several kilometers to the East.
1656:
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143:
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516:
362:
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1613:
380:
post on the river, at Big River House, between 1803 and 1824. In 1837, a larger trading post was established at
384:, on an island at the mouth of the river. In the early 20th century, this trading post became a village as the
1539:
373:
365:, with its mean discharge being more than 3,400 m/s (120,000 cu ft/s). In November 2009, the
388:
of the James Bay region abandoned their nomadic way of life and settled nearby. The modern Cree village of
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343:
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was also (partially) diverted, adding another 31,430 km (12,140 sq mi) to the basin.
549:
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129:
100:
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1614:"Stories from the trenches: Adapting a Cree way of life in the wake of a mega-project"
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rivers into the La Grande, its total catchment area has increased to about
342:. It is the second-longest river in the province, surpassed only by the
642:
338:
and flowing roughly 900 km (560 mi) west to its drainage at
372:
At one time, the La Grande was known as the "Fort George River". The
331:
90:
68:
La Grande River original basin in yellow. Diverted basins in orange.
1549:(all values of original river prior to hydro-electric development.)
334:, Canada, rising in the highlands of the north-central part of the
523:
385:
592:; elevation: 195.1 m (640 ft); 1981–2010 normals
330:; both meaning "great river") is a river in northwestern
458:
The river has been extensively developed as a source of
400:
Significant tributaries of La Grande River include:
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1632:"Canadian Climate Normals 1981-2010 Station Data"
1561:Hydro-Québec and GENIVAR Groupe Conseil inc.,
522:As a result of the development projects, the
8:
1557:
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539:
305:4,450 m/s (157,000 cu ft/s)
285:3,400 m/s (120,000 cu ft/s)
363:175,000 km (68,000 sq mi)
1662:The Grand River at LG-1 (YouTube Video)
1634:. Environment and Climate Change Canada
1535:
1533:
1531:
1527:
295:345 m/s (12,200 cu ft/s)
263:97,600 km (37,700 sq mi)
38:
1493:Environment and Climate Change Canada
7:
543:Climate data for La Grande Rivière (
1586:DeSILVA, BRUCE (15 January 1989).
25:
1657:Hydro-Québec's La Grande Complex
1516:List of longest rivers of Canada
62:
47:
204: • coordinates
137: • coordinates
1:
1229:Average snowfall cm (inches)
1159:Average rainfall mm (inches)
107:Physical characteristics
243: • elevation
1612:Bell, Susan (3 June 2017).
1299:Average precipitation days
898:Mean daily minimum °C (°F)
758:Mean daily maximum °C (°F)
327:
192: • location
125: • location
1703:
1490:
542:
454:Hydro-electric development
301: • maximum
291: • minimum
281: • average
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583:La Grande Rivière Airport
545:La Grande Rivière Airport
353:development diverted the
309:
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255:893 km (555 mi)
174:
111:
61:
46:
1687:Tributaries of James Bay
1677:Rivers of Nord-du-Québec
36:River in Quebec, Canada
434:Rivière de la Corvette
319:
1545:10 April 2007 at the
552:: 71827; coordinates
226:53.83333°N 79.06667°W
159:53.20833°N 70.93333°W
53:La Grande River near
688:Record high °C (°F)
374:Hudson's Bay Company
344:Saint Lawrence River
247:0 m (0 ft)
1572:5 June 2011 at the
1393:Average snowy days
1346:Average rainy days
968:Record low °C (°F)
828:Daily mean °C (°F)
567: /
431:Rivière de Pontois
231:53.83333; -79.06667
222: /
164:53.20833; -70.93333
155: /
1440:Average afternoon
27:For homonymy, see
1682:James Bay Project
1592:Los Angeles Times
1511:James Bay Project
1498:
1497:
1442:relative humidity
572:53.633°N 77.700°W
445:Caniapiscau River
404:Kanaaupscow River
320:La Grande Rivière
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18:La Grande Rivière
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1636:. Retrieved
1626:
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1607:
1595:. Retrieved
1591:
1581:
1562:
1500:
1089:mm (inches)
641:Record high
521:
482:La Grande-2A
464:Hydro-Québec
457:
422:Rupert River
408:Sakami River
399:
371:
367:Rupert River
348:
315:
314:
119:Lac Nichicun
33:
1565:July 2005 (
1038:Record low
575: /
494:La Grande-4
488:La Grande-3
471:La-Grande-1
415:(diverted)
396:Tributaries
382:Fort George
376:operated a
359:Caniapiscau
229: /
162: /
1671:Categories
1522:References
1446:(at 15:00)
1040:wind chill
581: (
517:Eastmain-1
447:(diverted)
424:(diverted)
260:Basin size
217:79°04′00″W
214:53°50′00″N
150:70°56′00″W
147:53°12′30″N
130:Nitchequon
506:Laforge-2
500:Laforge-1
462:power by
390:Chisasibi
340:James Bay
328:Chisasibi
318:(French:
272:Discharge
197:Chisasibi
185:James Bay
1597:13 March
1570:Archived
1543:Archived
1505:See also
1491:Source:
1294:(102.9)
1224:(17.87)
1154:(27.45)
1085:Average
1033:(−48.3)
1028:(−40.5)
1023:(−20.6)
988:(−24.5)
983:(−39.5)
978:(−48.3)
973:(−41.6)
908:(−17.1)
903:(−18.4)
355:Eastmain
336:province
87:Province
74:Location
1638:6 March
1289:(17.5)
1284:(23.7)
1279:(12.8)
1244:(11.3)
1234:(13.0)
1219:(0.07)
1214:(0.46)
1209:(2.21)
1204:(4.21)
1199:(3.58)
1194:(3.09)
1189:(2.46)
1184:(1.10)
1179:(0.50)
1174:(0.13)
1169:(0.05)
1164:(0.00)
1149:(1.68)
1144:(2.67)
1139:(3.44)
1134:(4.35)
1129:(3.59)
1124:(3.09)
1119:(2.57)
1114:(1.54)
1109:(1.29)
1104:(1.16)
1099:(0.86)
1094:(1.22)
1013:(19.4)
1008:(31.1)
1003:(30.4)
998:(20.1)
963:(17.8)
958:(−3.8)
953:(15.6)
948:(29.3)
943:(38.8)
938:(45.7)
933:(46.4)
928:(39.6)
923:(29.1)
918:(12.9)
913:(−5.3)
893:(26.8)
883:(21.0)
878:(35.1)
873:(46.6)
868:(55.6)
863:(57.6)
858:(51.4)
853:(39.7)
848:(23.0)
838:(−6.9)
833:(−9.8)
823:(36.0)
818:(10.4)
813:(26.4)
808:(40.6)
803:(54.1)
798:(65.5)
793:(68.7)
788:(63.1)
783:(50.5)
778:(33.1)
773:(17.2)
763:(−1.3)
753:(99.1)
748:(45.3)
743:(54.1)
738:(74.3)
733:(80.8)
728:(88.2)
723:(99.1)
718:(95.0)
713:(90.7)
708:(72.1)
703:(52.3)
698:(41.0)
693:(34.5)
643:humidex
562:77°42′W
559:53°38′N
535:Climate
528:mercury
484:(LG-2A)
378:trading
101:Jamésie
79:Country
1435:109.8
1388:92.90
1379:12.70
1376:19.50
1373:16.30
1370:14.00
1367:11.60
1341:188.9
1274:(1.6)
1269:(0.0)
1264:(0.0)
1259:(1.0)
1254:(4.7)
1249:(8.3)
1239:(9.1)
1018:(1.9)
993:(6.1)
888:(3.2)
843:(5.9)
768:(3.4)
597:Month
550:WMO ID
512:Brisay
508:(LF-2)
502:(LF-1)
496:(LG-4)
490:(LG-3)
473:(LG-1)
332:Quebec
275:
252:Length
116:Source
97:Region
91:Quebec
82:Canada
1486:65.5
1483:80.3
1480:83.5
1477:75.8
1474:68.9
1471:59.6
1468:54.7
1465:50.3
1462:53.1
1459:57.9
1456:60.3
1453:68.3
1450:73.1
1432:19.6
1429:20.5
1426:11.8
1420:0.04
1417:0.04
1405:11.5
1402:12.3
1399:16.4
1385:0.84
1382:4.10
1364:8.00
1361:4.00
1358:1.10
1355:0.67
1352:0.33
1338:19.7
1335:22.0
1332:20.6
1329:20.2
1326:16.2
1323:14.1
1320:12.4
1317:12.1
1314:10.8
1311:11.9
1308:12.5
1305:16.3
1292:261.3
1222:453.8
1202:106.9
1152:697.2
1132:110.6
1031:−44.6
1026:−40.3
1021:−29.2
1016:−16.7
991:−14.4
986:−31.4
981:−39.7
976:−44.6
971:−40.9
956:−19.9
916:−10.6
911:−20.7
906:−27.3
901:−28.0
886:−16.0
841:−14.5
836:−21.6
831:−23.2
816:−12.0
766:−15.9
761:−18.5
683:44.3
677:11.7
674:28.3
671:31.6
668:35.5
665:44.3
662:37.5
659:33.9
656:21.8
653:11.1
636:Year
386:Crees
180:Mouth
1640:2022
1599:2023
1444:(%)
1423:1.9
1414:1.6
1411:5.7
1408:8.5
1287:44.4
1282:60.3
1277:32.4
1252:11.9
1247:21.0
1242:28.6
1237:23.0
1232:33.1
1212:11.6
1207:56.2
1197:91.0
1192:78.5
1187:62.6
1182:27.9
1177:12.7
1147:42.6
1142:67.9
1137:87.3
1127:91.1
1122:78.5
1117:65.3
1112:39.0
1107:32.7
1102:29.4
1097:21.9
1092:30.9
1080:−57
1077:−53
1074:−40
1071:−20
1068:−10
1059:−12
1056:−24
1053:−40
1050:−51
1047:−57
1044:−56
1011:−7.0
1006:−0.5
1001:−0.9
996:−6.6
961:−7.9
951:−9.1
946:−1.5
921:−1.6
891:−2.9
881:−6.1
866:13.1
861:14.2
856:10.8
846:−5.0
811:−3.1
801:12.3
796:18.6
791:20.4
786:17.3
781:10.3
771:−8.2
751:37.3
741:12.3
736:23.5
731:27.1
726:31.2
721:37.3
716:35.0
711:32.6
706:22.3
701:11.3
680:7.6
650:4.8
647:1.8
633:Dec
630:Nov
627:Oct
624:Sep
621:Aug
618:Jul
615:Jun
612:May
609:Apr
606:Mar
603:Feb
600:Jan
524:Cree
357:and
324:Cree
1618:CBC
1272:4.0
1267:0.1
1262:0.0
1257:2.6
1217:1.7
1172:3.4
1167:1.2
1162:0.1
1065:−6
1062:−3
941:3.8
936:7.6
931:8.0
926:4.2
876:1.7
871:8.1
851:4.3
821:2.2
806:4.8
776:0.6
746:7.4
696:5.0
691:1.4
1673::
1616:.
1590:.
1554:^
1530:^
346:.
326::
322:;
1642:.
1620:.
1601:.
1576:)
585:)
547:)
31:.
20:)
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