It is named after Lake Superior (Lac Supérieur) which is located in the Laurentian Mountains, due east of Mont Tremblant Resort.

The entire northern portion of the municipality is mostly undeveloped and part of the Mont-Tremblant National Park.

[4] In 1944, the municipality was renamed to Saint-Faustin, the name of the parish founded in 1878 in what is now part of Mont-Blanc.

In 1957, it was renamed again to its present name, a designation previously assigned to the post office which opened in 1913.

[4] Population trend:[5] Private dwellings occupied by usual residents: 996 (total dwellings: 1,718) Mother tongue: Sainte Agathe Academy (of the Sir Wilfrid Laurier School Board) in Sainte-Agathe-des-Monts serves English-speaking students in this community for both elementary and secondary levels.