Westmount is an affluent on-island suburb on the Island of Montreal. It is an enclave of the city of Montreal, in southwestern Quebec, Canada, with a population of 19,931 as of the Canada 2011 Census.
Westmount is mostly a wealthy residential area, containing schools, an arena, a pool, a public library and a number of parks, including Westmount Park, King George Park (also known as Murray Hill Park) and Westmount Summit. The city operates its own electricity distribution company Westmount Light & Power (Hydro Westmount). The city is also the location of three Canadian Forces Primary Reserves : 34 Combat Engineer Regiment, The Royal Montreal Regiment and 34th Signals Regiment.