 The western peaks in the range - Cheam, Lady, Baby Munday and Stewart, are known in areas of the Fraser Valley where they are visible, as the "Four Sisters".The eastern peaks in the range are referred to as the Lucky Four Group because of their proximity to the abandoned Lucky Four Mine; the glacier in the cirque formed by Welch and Foley is called the Lucky Four Glacier.Foley, Welch and Stewart commemorate partners in Foley, Welch and Stewart, an important contractor in early British Columbia responsible for building the Pacific Great Eastern Railway and other projects.