Lake Louise, also called Lake of the Little Fishes by the Stoney Nakota First Nations people, is a glacial lake within Banff National Park in Alberta, Canada. The village of Lake Louise is on the Trans-Canada Highway (Highway 1), which is west of Banff, Alberta. The emerald color of the water comes from rock flour carried into the lake by melt-water from the glaciers that overlook the lake. The lake has a surface of and is drained through the 3 km long "Louise Creek" into the Bow River. Moraine Lake and Lake Agnes are also accessible from Lake Louise.