The Dene Thá (/'dɛnɛ ðɑː/) First Nation is a First Nations government of the South Slavey in Northern Alberta, Canada. The people call themselves Dene Dháa (sometimes spelled Dene Tha' or Dene Th'a) or 'Ordinary People' in the Dene Dháh language. Its population is centered in three communities:Bushe River, Meander River, and Chateh (formerly known as Assumption). Dene Thá First Nation is a member of the North Peace Tribal Council.
Until the 1950s, the Dene Thá lived a semi-nomadic lifestyle and hunted in their traditional territory which included land in the northwestern corner of Alberta, the southern Northwest Territories, and the northeastern corner of British Columbia. Today, many live in permanent settlements in and around Bushe River, Meander River, and Chateh.
The Dene Thá First Nation signed Treaty 8 in 1900.
The following areas are reserved for the Dene Thá: Amber River 211, Bistcho Lake 213, Bushe River 207, Hay Lake 209, Jackfish Point 214, Upper Hay River 212, and Zama Lake 210 The total area of the reserves is 74,224 acres (30,037 ha).
As of 2013[update] the First Nations registered population was 2871 with 2017 members living on reserves or crown land and 854 members living off reserve.
Dene Dháh (/'dɛnɛ ðɑh/) translates to 'Dene language' is the preferred name for the language spoken by the Dene Thá, though linguists and anthropologists commonly refer to the language simply as a dialect of South Slavey. It has been called Slavey, South Slavey, Alberta Slavey, and Dene, a catch-all term which encompasses several Northern Athabaskan language groups. Dene Dháh is the only variety of South Slavey spoken in Alberta (with Dene Zhatié spoken in the Northwest Territories) and belongs to the Northern Athabaskan subgrouping of the Athabaskan language family. It is closely related to languages such as Kaska, Dëne Sųłiné, and Tłı̨chǫ Yatıì.