Sicamous is a district municipality in the Shuswap Country region of south central British Columbia. The place is adjacent to the narrows, which …Sicamous is a district municipality in the Shuswap Country region of south central British Columbia. The place is adjacent to the narrows, which is the confluence of Mara Lake into Shuswap Lake. At the BC Highway 97A intersection on BC Highway 1, the locality is by road about 73 kilometres west of Revelstoke, 140 kilometres east of Kamloops, and 75 kilometres north of Vernon.