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Peyto Lake, Banff National Park James Kay Photography jameskay

Peyto Lake, Banff National Park, Canada    ID# CN-BN-0045

Situated in a deep glacial valley below Bow Summit along the Icefields Parkway in Banff National Park, the waters of Peyto Lake take on a brilliant aquamarine color every summer as meltwater from glaciers flows into the lake with its burden of ground-up glacial silt. Suspended in the water of the lake, this milky solution absorbs the light at the short end of the visible-light spectrum causing the water to appear blue green.