sentences:  The current railheads or endpoints of the rail network are, in the north, at Hay River, Northwest Territories (the northernmost part of the North American rail network, operated by CN), Jackson, British Columbia (formerly BC Rail), Lynn Lake and Churchill, Manitoba (Hudson Bay Railway), Moosonee (Ontario Northland Railway), Chibougamau, Quebec and Matagami, Quebec (also CN).In the west, the railheads are at Vancouver, British Columbia, Prince Rupert, British Columbia (CPRail), with ferry service to Vancouver Island for the railways linking Nanaimo, Esquimalt, and Victoria.In the east, the North American network extends to Halifax, and Sydney, Nova Scotia.