Мусони: Ворота в Арктику и исторический центр торговли пушниной в Северном Онтарио

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|postal code = P0L 1Y0
|area code = 705
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|website = www. moosonee. ca

Moosonee (,/m//uː//s//ə//'//n//iː/) is a town in northern Ontario, Canada, on the Moose River approximately south of James Bay. It is considered to be "the Gateway to the Arctic" and has Ontario's only saltwater port. Nearby on Moose Factory Island is the community of Moose Factory to which it is connected by water taxi in the summer and ice road in the winter. There is no road connection to the community but flights are provided by Air Creebec and by Thunder Airlines, via Moosonee Airport. Moosonee is also the railhead of the Ontario Northland Railway where goods are transferred to barges and aircraft for transport to more northerly communities. Moosonee is not particularly far north, being located at 51°N—which is roughly the same latitude as Saskatoon and Calgary —but is colder due to its proximity to Hudson Bay, and isolated due to its lack of road access to the rest of Ontario. The community was the site of a fur trading post set up in 1903 by Revillon Frères, competitors to the Hudson's Bay Company which later bought out Révillon. Moosonee formerly held the status of a development area, the only community in the province with that designation, and was governed by a locally elected board subject to formal appointment by the Ontario provincial government. It became incorporated as a town effective January 1, 2001, with an elected mayor and four person council.

In 1900, Annie Hardisty and her two daughters were the first settlers on the site. Significant development began on June 6, 1903, four canoes and a crew of 21 persons of the Revillon Frères company arrived on the banks of the Moose River near the much older Moose Factory to establish the Moose River Post. This Parisian furrier had ambitious plans to set up a chain of fur trading posts in direct competition with the Hudson's Bay Company, including five on James Bay. But it suffered a setback when their supply ship that carried all the provisions shipwrecked near Fort George (Chisasibi). The Revillon Frères Museum is located on First Street. Moose River Post became the most important location for Revillon Frères and was quickly expanded with a staff house, carpenter's shop, warehouse, and sawmill. The buildings were spaced far apart as a preventive measure to minimize the spread of fire. By 1912, it was reported that "the whole line of good substantial buildings, built principally for their French Canadian employees, stretches along the river front for nearly a mile northward from the residence of the inspector." In 1962, Moosonee became the site of RCAF Station Moosonee that was part of NORAD's Pinetree Line chain of radar stations. It closed in 1975 and some of its buildings were used by the Town after the closure, including the base swimming pool and recreation centre. In 1968, the town was classified as a development area board. In November 2000, it was incorporated as the Town of Moosonee.

In the 2021 Canadian census conducted by Statistics Canada, Moosonee had a population of 1,512 living in 487 of its 629 total private dwellings, a change of from its 2016 population of 1481. With a land area of , it had a population density of in 2021. In 2021, mother tongue was 86.0 per cent English, 8.5 per cent Indigenous (mainly Cree), 1.0 per cent French, and 4.4 per cent other languages. The population are mainly First Nations (66.8 per cent), 32.5 per cent non indigenous and 1 per cent Métis.

Moosonee has a humid continental climate (Köppen climate classification Dfb) with subarctic influences, which gives the town warm summers and cold winters, sometimes severe. James Bay acts as a thermal reservoir to moderate spring and fall temperatures. Freeze up on the Moose River normally occurs between late November and mid December, with mean daily minimum January temperatures approximately Spring break up, or spring thaw, usually occurs in April. Mean annual precipitation is , and mean annual snowfall is Precipitation is somewhat higher in summer than at other times of the year. Severe thunderstorms can occur from time to time. Moosonee used to have a subarctic climate with a yearly mean temperature of , but due to global warming that temperature has risen to
The highest temperature ever recorded in Moosonee was on 31 July 1975. As of 2020, the MV Niska 1 ferry was operating between Moosonee and Moose Factory island, carrying passengers and vehicles.

The main method of access is by Ontario Northland Railway which reached the town in 1932 and which provides passenger and freight train service to Cochrane. No meal service is available on this train. There are also two freight trains per week. During the summer and early fall shipping season, goods can be transported from Moosonee by barge. In January 2007, responsibility for the Port of Moosonee was transferred from the federal government to the Town of Moosonee. The Polar Bear Express Passenger Train transports cars, canoes, ATVs, and snowmobiles as long as they are booked in advance notice. It is one of only two motorail services in North America.

The town is also accessible via the Moosonee Airport, served with scheduled flights by Air Creebec, and Thunder Airlines, It opened some time in winter 2021 and was said to accept loads up to 50,000 kilograms in weight. The road was operated by Kimesskanemenow LP, "a limited partnership between the four communities it connects". Feasibility studies have been undertaken on the construction of a permanent all season road to the communities of Moosonee, Fort Albany, Kashechewan and Attawapiskat River. The project, if undertaken, will entail a "coastal road" connecting the four communities with each other, as well as a road to link the coastal road to the provincial highway system at Fraserdale, Kapuskasing or Hearst.

Moosonee has a local radio station, CHMO 1450 AM, that is generally operated by volunteers, plus a rebroadcasting facility for CBC Radio One Northern Ontario from CBCS FM Sudbury on 1340 AM. Most homes subscribe to either Creecable cable TV or a satellite TV service to receive their programming, following the 2012 closure of the local CBC Television and TVOntario repeaters. Ontera, formerly Ontario Northland Telecommunications, but now owned by Bell, provides telecommunications service in Moosonee (NPA NXX 705 336).