Whatì (/ˈhwɒti/;^[6] from the Dogrib language meaning "Marten Lakes"), officially the Tłı̨chǫ Community Government of Whatì^[7] is a First Nations community in the North Slave Region of the Northwest Territories, Canada. Whatì is located by Lac La Martre, about 164 km (102 mi) northwest of the territorial capital of Yellowknife.

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Whatì Wha Tì Tsõtì Mïne Kö Golàa
First Nation
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Whatì Show map of Northwest Territories Whatì Show map of Canada
Coordinates: 63°08′40″N 117°16′22″W
Country	Canada
Territory	Northwest Territories
Region	North Slave
Constituency	Monfwi
North West Company trading post	1793
Incorporated	August 4, 2005
Government
• Chief	Alfonz Nitsiza
• Senior Administrative Officer	Lisa Nitsiza
• MLA	Jackson Lafferty
Area [1]
• Land	59.95 km2 (23.15 sq mi)
Elevation	269 m (883 ft)
Population  (2016)[1]
• Total	470
• Density	7.8/km2 (20/sq mi)
Time zone	UTC−07:00 (MST)
• Summer (DST)	UTC−06:00 (MDT)
Canadian Postal code	X0E 1P0
Area code	867
Telephone exchange	573
- Living cost	152.5A
- Food price index	145.7B
Sources: Department of Municipal and Community Affairs,[2] Prince of Wales Northern Heritage Centre,[3] Canada Flight Supplement[4] ^A 2013 figure based on Edmonton = 100[5] ^B 2015 figure based on Yellowknife = 100[5]

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With rich and varied wildlife, the area has long been a favoured hunting ground of the Tłı̨chǫ (Dogrib Dene) Indigenous people. The North West Company established a trading post there in 1793, and many natives began settling there permanently, while they continued to hunt and fish in the area. With the establishment of a trading post at Fort Rae on Great Slave Lake in the late 19th century, most regional trading was accomplished at the Hudson's Bay Company and free traders posts there. A trading post at Lac La Martre was not again established until the 1920s.^[8]

On January 1, 1996, the community officially changed its name from Lac La Martre to the Tłı̨chǫ name "Wha Ti", meaning "Marten Lake," the same meaning as the French and then on August 4, 2005^[3] to the current spelling. Other traditional Tłı̨chǫ names for the settlement include Tsoti^{[pronunciation?]} ('fouled water lake') and Mine Go Kola^{[pronunciation?]} ('net fishing with houses').^[3]

Before 2005, the community was unincorporated, and local governance was provided by a First Nations band government, Wha Ti First Nation. Under the terms of the Tłı̨chǫ Agreement, most responsibilities of Wha Ti have been transferred to a new Whatì Community Government. However, the First Nation is still recognized by the federal government for Indian Act enrollment.

In the 2021 Census of Population conducted by Statistics Canada, Whatì had a population of 543 living in 143 of its 162 total private dwellings, a change of 15.5% from its 2016 population of 470. With a land area of 58.33 km² (22.52 sq mi), it had a population density of 9.3/km² (24.1/sq mi) in 2021.^[16]

The majority of the population is Indigenous of which 445 were First Nations and 10 were Métis. The main languages were Dogrib and English with a few North Slavey speakers.^[1]

While trapping, hunting, and fishing continue to be the main economic activities in this traditional community, efforts have been made to develop tourism as well. A fishing lodge was opened, and many tourists come to see the abundant wildlife, including black bears, barren-ground caribou, wolves, and eagles. The community takes special pride in the fact that no alcohol is allowed there.

Whatì is part of the Tlicho Government.^[18]

Whatì has a subarctic climate (Dfc) with mild to warm summers and long cold winters.

• List of municipalities in the Northwest Territories
• Whatì Airport
• Whatì Water Aerodrome