It is accessible by gravel road from La Tuque's town centre through the hamlet of Sanmaur that is on the opposite shore of the Saint-Maurice River.

The local economy is based on the art and craft, shops and services, forestry, trapping, construction, tourism, transport and outfitters.

The 1932 spelling of Weymontachingue on the map of John Arrowsmith became the most common form until 1986, when it was replaced by Weymontachie, as demanded by the local band council.

[4] In 1851, the Government enacted the allotment of 230,000 acres (930 km2) of land as reserves for the use and benefit of the "Indian" tribes residing in Lower Canada.

The construction of a dam and the National Transcontinental Railway led to the growth of the Sanmaur settlement, which in turn attracted the Atikamekw to the reserve at the beginning of the 20th century.