Lake Louise is located in Banff National Park, Canada. It is the most famous lake in Banff and is known as the "Sapphire of the Rocky Mountains". It is 2.4 kilometers long and 0.5 kilometers wide. The lake water originates from the Victoria Glacier and its color changes with the light. There are many hiking routes around it, and you can also skate and ski in winter. The Lake Louise Chateau Hotel by the lake is also very distinctive.