Moraine Lake, Banff National Park, Alberta, Canada by Chris Muir. Moraine Lake is a glacially-fed lake in Banff National Park, 14 kilometres (8.7 mi) outside the Village of Lake Louise, Alberta, Canada. It is situated in the Valley of the Ten Peaks, at an elevation of approximately 6,183 feet (1,885 m). The lake has a surface area of .5 square kilometres (0.19 sq mi). Moraine Lake, being glacially fed, does not reach its crest until mid to late June.