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Broadback River
1093LC Tupatukasi Waterfall.jpg
Tupatukasi Waterfall, Broadback River
Broadback map.png
Broadback River basin in yellow
Country Canada
Province Quebec
Region Jamésie
Physical characteristics
Main source Lac Frotet
95 km north of Chibougamau, Nord-du-Québec
380 m (1,250 ft)
River mouth Rupert Bay off James Bay
17 km south of Waskaganish, Nord-du-Québec
0 m (0 ft)
Length 450 km (280 mi)
Basin features
Basin size 20,800 km2 (8,000 sq mi)
  • Left:
  • Right:
    • (upstream)
    • Katauskutewetin creek
    • Nisto creek
    • Kasachistuwasich creek
    • Masayuqui creek
    • (Upstreams of Evans Lake)
    • Clinchamp Lake
    • Coigne Lake
    • La Milletière Lake
    • outlet of Jacquin Lake
    • outlet of Coné Lake.

The Broadback River (French: Rivière Broadback) (In Cree: Chistamiskau Sipi) is a river in northern Quebec, Canada. It drains into Rupert Bay (a smaller bay at the south end of James Bay), just south of the Rupert River and Cree community Waskaganish. The major lake on the river's course is Lake Evans.

The river is a popular canoe-tripping destination.


The hydrographic basins adjacent to the Broadback River are:

The Broadback River originates at Frotet Lake, located 28.1 kilometres (17.5 mi) west of grand Mistassini Lake. From the mouth of Frotet Lake (located north of the lake), this river winds the Jamésie on 451 kilometers to finally reach the Rupert Bay close to the mouth of the Nottaway River.

In its course, the river crosses several lakes, including: Troilus Lake, Quenonisca Lake, Evans Lake (the largest) and Giffard Lake. It flows between the Rupert River rivers to the north and the Nottaway River to the south.

At the end of the route, the river crosses marsh areas for 29.2 kilometres (18.1 mi) to the west.


The Broadback, together with the Nottaway and Rupert Rivers, was initially considered to be dammed and diverted as part of the James Bay Project. However, in 1972 hydro-electric development began on the more northerly La Grande and Eastmain Rivers, and the NBR Project was shelved. With the decision to divert the Rupert River to the La Grande, it is not likely that the Broadback will be developed in the foreseeable future.


Since the Broadback River flows relatively close to the northern edge of its basin, most of its major tributaries are left tributaries. Major tributaries in downstream order include:

Tributaries above Lake Evans:

Tributaries below Lake Evans:

  • Ouasouagami River
  • Colomb River
  • Kaminahikuschit River
  • Natouacamisie River
  • Machisipi River
  • Lepallier River
Broadback River.jpg
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