The Cheam Range (pronounced /ʃiːˈæm/ or /ʃiːˈɛm/) is a mountain range in the Fraser Valley region of the Lower Mainland of British Columbia near the city of Chilliwack. The region is also a part of the Skagit Range of the Canadian Cascades and contains many rugged peaks.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".