This list of Hudson Bay rivers includes the principal rivers draining into the Hudson

Hudson Bay

Hudson Bay , sometimes called Hudson's Bay, is a large body of saltwater in northeastern Canada. It drains a very large area, about , that includes parts of Ontario, Quebec, Saskatchewan, Alberta, most of Manitoba, southeastern Nunavut, as well as parts of North Dakota, South Dakota, Minnesota,...

, James

James Bay

James Bay is a large body of water on the southern end of Hudson Bay in Canada. Both bodies of water extend from the Arctic Ocean. James Bay borders the provinces of Quebec and Ontario; islands within the bay are part of Nunavut...

 and Ungava

Ungava Bay

Ungava Bay is a large bay in northeastern Canada separating Nunavik from Baffin Island. The bay is shaped like a rounded square with a side length of about and has an area of approximately...

 bays of the Arctic Ocean

Arctic Ocean

The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest and shallowest of the world's five major oceanic divisions...

. The total surface area of the Hudson Bay watershed

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 is about 3861400 square kilometres (1,490,894.9 sq mi), with a mean discharge of about 30,900 m³/s. The drainage basin includes parts of five Canadian

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 provinces (Alberta

Alberta

Alberta is a province of Canada. It had an estimated population of 3.7 million in 2010 making it the most populous of Canada's three prairie provinces...

, Saskatchewan

Saskatchewan

Saskatchewan is a prairie province in Canada, which has an area of . Saskatchewan is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, and on the south by the U.S. states of Montana and North Dakota....

, Manitoba

Manitoba

Manitoba is a Canadian prairie province with an area of . The province has over 110,000 lakes and has a largely continental climate because of its flat topography. Agriculture, mostly concentrated in the fertile southern and western parts of the province, is vital to the province's economy; other...

, Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

 and Quebec

Quebec

Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

), two Canadian territories (Northwest Territories

Northwest Territories

The Northwest Territories is a federal territory of Canada.Located in northern Canada, the territory borders Canada's two other territories, Yukon to the west and Nunavut to the east, and three provinces: British Columbia to the southwest, and Alberta and Saskatchewan to the south...

 and Nunavut

Nunavut

Nunavut is the largest and newest federal territory of Canada; it was separated officially from the Northwest Territories on April 1, 1999, via the Nunavut Act and the Nunavut Land Claims Agreement Act, though the actual boundaries had been established in 1993...

) and four American states (Montana

Montana

Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

, South Dakota

South Dakota

South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...

, North Dakota

North Dakota

North Dakota is a state located in the Midwestern region of the United States of America, along the Canadian border. The state is bordered by Canada to the north, Minnesota to the east, South Dakota to the south and Montana to the west. North Dakota is the 19th-largest state by area in the U.S....

 and Minnesota

Minnesota

Minnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...

). The two principal waterways are the La Grande Rivière, in Québec, and the Nelson River

Nelson River

The Nelson River is a river of north-central North America, in the Canadian province of Manitoba. Its full length is , it has mean discharge of , and has a drainage basin of , of which is in the United States...

 in Manitoba, each with an average waterflow of over 3,000 m³/s.

The rivers are presented by coastline, clockwise, starting with the George River in northeastern Quebec, just south of Cape Chidley

Cape Chidley

Cape Chidley is a headland located on the eastern shore of Killiniq Island, Canada at the northeastern tip of the Labrador Peninsula.-Cape Chidley:...

 and the entrance to the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

.

Rivers in Quebec

• George
• Tunulic
• À la Baleine
• False
  False River (Quebec)
  False River is a river in Nunavik, Quebec, Canada. It originates north of Lac Boulle and ends northeast of Kuujjuaq in Ungava Bay....
  
  
• Koksoak
  Koksoak River
  The Koksoak River is a river in northern Quebec, Canada, the largest river in the Nunavik region. The Inuit village and region's administrative center Kuujjuaq lies on the shores of the Koksoak, about south from its mouth.The name Koksoak is believed to originate from Moravian missionaries who...
  
  
• Aux Feuilles
  Leaf River (Quebec)
  Leaf River is a river in northern Quebec, Canada, at the northern limit of the tree line. It flows from Lake Minto northeast through the Ungava Peninsula into Leaf Bay off Ungava Bay over a distance of...
  
  
• Arnaud
  Arnaud River
  The Arnaud River is a river in Nunavik, Quebec, Canada, flowing from the low plateaux of the Ungava Peninsula through a series of glacial lakes to Ungava Bay. Its mean discharge is approximately 15 km³ per year, but the river flows only in the summer as it is frozen to several metres for the...
  
  
• Kovik River
• Povungnituk
• Kogaluc
• Innuksuac
• Qikirtaluup fattora
• Nastapoka
• Chenal Goulet
• Petite Rivière de la Baleine
• Grande Rivière de la Baleine
  Great Whale River
  The Great Whale River is a river in Nunavik, Quebec, Canada. It flows from Lac Saint-Luson through Lac Bienville west to Hudson Bay...
  
  
• Roggan
• La Grande
  La Grande River
  La Grande River is a river in northwestern Quebec, Canada, which rises in the highlands of north central Quebec and flows roughly west to drain into James Bay. It is the second largest river in Quebec, surpassed only by the Saint Lawrence River....
  
  
• Eastmain
  Eastmain River
  The Eastmain River is a river in northwestern Quebec which rises in north central Quebec and flows 800 km west to drain into James Bay. 'East Main' is an old name for the east side of James Bay. This river drains an area of 46,400 km²...
  
  
• Pontax
• Rupert
  Rupert River
  The Rupert River is one of the largest rivers in Quebec, Canada. From its headwaters in Lake Mistassini, the largest natural lake in Québec, it flows west into Rupert Bay on James Bay. The Rupert drains an area of . There is some extremely large whitewater on the river, but paddlers can avoid...
  
  
• Broadback
  Broadback River
  The Broadback River is a river in northern Quebec, Canada. It drains into Rupert Bay , just south of the Rupert River and Cree community Waskaganish...
  
  
• Nottaway
  Nottaway River
  The Nottaway River is a river in Quebec, Canada. The river drains Lake Matagami and travels north-west before emptying into Rupert Bay at the south end of James Bay. Its drainage basin is and has a mean discharge of 1190 m³/s...
  
  
• Harricana
  Harricana River
  The Harricana River is a river in western Quebec and northeastern Ontario, Canada. It is long, has a drainage area of , and has a mean discharge of 570 m³/s...
  
  

Rivers in Ontario

• Moose
  Moose River (Ontario)
  The Moose River is a Canadian river in the Hudson Plains ecozone of northern Ontario which flows 100 km northeast from the junction of the Mattagami and Missinaibi Rivers into James Bay. Its drainage basin is 108,500 km² and it has a mean discharge rate of 1370 m³/s. Its full length...
  
  
• Albany
  Albany River
  The Albany River is a river in Northern Ontario, Canada, which flows northeast from Lake St. Joseph in Northwestern Ontario and empties into James Bay. It is long to the head of the Cat River, tying it with the Severn River for the title of longest river in Ontario...
  
  
• Lawashi
• Attawapiskat
  Attawapiskat River
  The Attawapiskat River is a river in Kenora District in northwestern Ontario, Canada that flows east from Attawapiskat Lake to James Bay.-Course:The Attawapiskat River travels a distance of , and has a drainage area of ....
  
  
• Ekwan
  Ekwan River
  The Ekwan River is a river in Kenora District in northwestern Ontario, Canada. It travels about from its source at Zumar Lake on the Canadian Shield, through the Hudson Bay Lowlands, northeast and then east, to its mouth on James Bay.-Course:...
  
  
• Winisk
  Winisk River
  The Winisk River is a river in northern Ontario, Canada, that starts at Wunnummin Lake and flows east to Winisk Lake. From there it continues in a mostly northly direction to Hudson Bay. The Winisk River is 475 km long and has a drainage basin of . The name is from Cree origin meaning...
  
  
• Severn
  Severn River (northern Ontario)
  The Severn River is a river in northern Ontario. The northern Ontario river has its headwaters near the western border of the province. From the head of the Black Birch River, the Severn River is long and its drainage basin is 102,800 km² , a small portion of which is in Manitoba...
  
  

Rivers in Manitoba

• Hayes
  Hayes River
  The Hayes River is a river in Northern Region, Manitoba, Canada that flows from Molson Lake to Hudson Bay at York Factory. It was an historically important river in the development of Canada, and is today a Canadian Heritage River and the longest naturally flowing river in Manitoba.-Course:The...
  
  
• Nelson
  Nelson River
  The Nelson River is a river of north-central North America, in the Canadian province of Manitoba. Its full length is , it has mean discharge of , and has a drainage basin of , of which is in the United States...
  
  
• Churchill
  Churchill River (Hudson Bay)
  The Churchill River is a major river in Alberta, Saskatchewan and Manitoba, Canada. From the head of the Churchill Lake it is 1,609 km long. It was named after John Churchill, 1st Duke of Marlborough and governor of the Hudson's Bay Company from 1685 to 1691...
  
  
• North & South Knife
• Red River of the North
  Red River of the North
  The Red River is a North American river. Originating at the confluence of the Bois de Sioux and Otter Tail rivers in the United States, it flows northward through the Red River Valley and forms the border between the U.S. states of Minnesota and North Dakota before continuing into Manitoba, Canada...
  
  
• Seal
• Caribou

Rivers in Nunavut

• Geillini
• Thlewiaza
• Tha-anne
• Ferguson
• Wilson
• Chesterfield Inlet
• Lorillard
• Brown
• Kirchoffer (Southampton Island
  Southampton Island
  Southampton Island is a large island at the entrance to Hudson Bay at Foxe Basin. One of the larger members of the Canadian Arctic Archipelago, Southampton Island is part of the Kivalliq Region in Nunavut, Canada. The area of the island is stated as by Statistics Canada . It is the 34th largest...
  
  )
• Koukdjuak River
  Koukdjuak River
  The Koukdjuak River begins at the outlet of Nettilling Lake and empties into the Arctic Ocean. It is the namesake of the Great Plain of the Koukdjuak located in the Foxe Basin on western Baffin Island, Nunavut , northern Canada....
  
   (Baffin Island)

Rivers in Alberta

• North Saskatchewan
  North Saskatchewan River
  The North Saskatchewan River is a glacier-fed river that flows east from the Canadian Rockies to central Saskatchewan. It is one of two major rivers that join to make up the Saskatchewan River....
  
  
• Battle
  Battle River (Canada)
  Battle River is a river in central Alberta and western Saskatchewan. It is a major tributary of the North Saskatchewan River.The Battle River flows for and has a total drainage area of...
  
  
• Beaver
  Beaver River (Canada)
  Beaver River is a large river in east-central Alberta and central Saskatchewan, Canada.Beaver River has a catchment area of 14,500 km2 in Alberta, where it drains the lake system in Lac La Biche County...
  
  
• South Saskatchewan
  South Saskatchewan River
  The South Saskatchewan River is a major river in Canada that flows through the provinces of Alberta and Saskatchewan....
  
  
• Bow
  Bow River
  The Bow River is a river in the Canadian province of Alberta. It is a tributary of the South Saskatchewan River, and is considered the headwater of the Nelson River....
  
  
• Elbow
  Elbow River
  The Elbow River is a river located in southern Alberta, Canada. It flows from the Canadian Rockies to the city of Calgary, where it merges into the Bow River....
  
  
• Highwood
  Highwood River
  The Highwood River is a river located in southwestern Alberta, Canada. It is part of the Bow River watershed. The river is known for its flyfishing. A variety of trout species live in the river, including native bull trout.-Course:...
  
  
• Oldman
  Oldman River
  The Oldman River is a river in southern Alberta, Canada. It flows roughly west to east from the Rocky Mountains, through the communities of Fort Macleod, Lethbridge, Taber, and on to Grassy Lake, where it joins with the Bow River to form the South Saskatchewan River, which eventually drains into...
  
  
• St. Mary
• Red Deer
  Red Deer River
  The Red Deer River is a river in Alberta, Canada. It is a major tributary of the South Saskatchewan River.Red Deer River has a total length of and a drainage area of...
  
  

Rivers in the United States

• Bois de Sioux River
  Bois de Sioux River
  The Bois de Sioux River drains Lake Traverse, the southernmost body of water in the Hudson Bay watershed of North America. It is a tributary of the Red River of the North and defines part of the western border of the U.S. state of Minnesota, and the eastern borders of North Dakota and South Dakota...
  
  
• Buffalo River (Minnesota)
  Buffalo River (Minnesota)
  The Buffalo River is a tributary of the Red River of the North in western Minnesota in the United States. Via the Red River, Lake Winnipeg and the Nelson River, it is part of the watershed of Hudson Bay...
  
  
• Marsh River
  Marsh River
  The Marsh River, located in Minnesota, is a tributary of the Red River of the North. It rises less than from the Wild Rice River, east of the city of Ada, and flows generally northwest, entering the Red River northwest of Shelly. The Marsh River flows entirely within Norman...
  
  
• Red River of the North
  Red River of the North
  The Red River is a North American river. Originating at the confluence of the Bois de Sioux and Otter Tail rivers in the United States, it flows northward through the Red River Valley and forms the border between the U.S. states of Minnesota and North Dakota before continuing into Manitoba, Canada...
  
  
• Sand Hill River
  Sand Hill River
  The Sand Hill River is a tributary of the Red River of the North in northwestern Minnesota in the United States. Via the Red River, Lake Winnipeg, and the Nelson River, it is part of the watershed of Hudson Bay, and drains an area of .- Course :...
  
  
• Souris River
  Souris River
  The Souris River or Mouse River is a river in central North America. It is about 700 km in length and drains about . It rises in the Yellow Grass Marshes north of Weyburn, Saskatchewan...
  
  
• Turtle River (North Dakota)
  Turtle River (North Dakota)
  .The Turtle River is a tributary of the Red River of the North in northeastern North Dakota in the United States. It flows for almost its entire length in Grand Forks County...