-The Canadian Shield is a large area of exposed Precambrian rock that covers much of the northeastern portion of the province. It is characterized by its rolling topography, numerous lakes and rivers, and sparse vegetation.
-The Interior Plains is a lowland region that lies to the west of the Canadian Shield and extends to the Rocky Mountains. It is underlain by sedimentary rock and is characterized by its flat to gently rolling terrain, fertile soils, and abundant resources of oil, gas, and coal.
-The Rocky Mountains is a mountain range that forms the western boundary of the province. It is characterized by its rugged topography, high elevations, and alpine climate.