Dettah, sometimes spelled incorrectly as Detah, is a First Nations community in the North Slave Region of the Northwest Territories, Canada. Located just southeast of the capital of Yellowknife, it is a 6.5 km drive from that city by ice road across the north arm of Great Slave Lake in winter or a 27 km drive via the Ingraham Trail, year-round. The name T'é?ehdaá means 'Burnt Point' in the Wíílíídeh dialect and was simplified to Dettah when non-indigenous people couldnʼt pronounce it. The place was a common fishing spot for the Tetsǫ́tʼine (Yellowknives) people and is home to nearly 200 indigenous people.

Demographics

In the 2021 Canadian census conducted by Statistics Canada, Dettah recorded a population of 192 living in 79 of its 85 total private dwellings, a change of NaN% from its 2016 population of 219. With a land area of 1.12 km2, it had a population density of in 2021. Both it and Ndilǫ are the communities of the Yellowknives. Dettah is represented by the Yellowknives Dene First Nation (Dettah) and are part of the Akaitcho Territory Government.

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Climate

Dettah has a subarctic climate (Dfc) with long, severely cold winters and short but mild, sometimes warm summers. Dettah and Yellowknife experience the sunniest springs and summers out of all of Canada's cities. Weather records are from Yellowknife Airport, approximately 9 km northwest of Dettah.