Moraine Lake is a glacially fed lake in Banff National Park, in Alberta, Canada. The lake, being glacially fed, does not reach its crest until mid to late June. When it is full, it reflects a distinctive shade of blue. The color is due to the refraction of light off the rock flour deposited in the lake on a continual basis.
The area around the lake has several walking/hiking trails. That view of the mountains behind the lake in Valley of the Ten Peaks is known as the “Twenty Dollar View”, as Moraine Lake was featured on the reverse side of the 1969 and 1979 issues of the Canadian twenty dollar bill.