Port Nelson is today a ghost town at the mouth of 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...

 on Hudson Bay

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,...

, in 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...

, Canada

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...

. At its peak it had a population of about 1000 people. Immediately to the south is the mouth of the Hayes River

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...

. Although the Nelson is much larger, the Hayes is a better route into the interior. Therefore most of the Hudson's Bay Company

Hudson's Bay Company

The Hudson's Bay Company , abbreviated HBC, or "The Bay" is the oldest commercial corporation in North America and one of the oldest in the world. A fur trading business for much of its existence, today Hudson's Bay Company owns and operates retail stores throughout Canada...

 trade was done from the York Factory on the Hayes. See York Factory, Manitoba

York Factory, Manitoba

York Factory was a settlement and factory located on the southwestern shore of Hudson Bay in northeastern Manitoba, Canada, at the mouth of the Hayes River, approximately south-southeast of Churchill. The settlement was headquarters of the Hudson's Bay Company's Northern Department, from 1821 to...

. Note that some books use 'Port Nelson' to mean the region around the mouths of the two rivers.

Port Nelson was named, but not founded, by Thomas Button

Thomas Button

Sir Thomas Button was a Welsh officer of the Royal Navy and explorer who in 1612–1613 commanded an expedition that unsuccessfully attempted to locate explorer Henry Hudson and to navigate the Northwest Passage. It was, nonetheless, a voyage of discovery andThomas Button was an explorer as...

 who wintered here in 1612.