The names of the Three Sisters are individually known as Big Sister, Middle Sister, and Little Sister – or Faith, Hope, and Charity, respectively.

Îyârhe Nakoda, the traditional language of the First Nations Stoney Nakoda, also refers to the peaks as the Three Sisters. Although the name refers to Ĩ-ktomnĩ, the old man who would promise ‘three sisters’ in marriage whenever he was in trouble.

The Big Sister is the biggest at 2,936 meters, the Middle Sister is 2,769 meters, and the Little Sister is 2,694 meters.