Is Moraine Lake dyed?

Fine rock dust, produced by massive glaciers rubbing against bedrock, stays suspended in the water, reflecting light and creating the turquoise colours that Moraine Lake and Lake Louise are known for. Listen to the full Calgary Eyeopener interview here: As glaciers disappear, less fine-grained silt is being produced.



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The colour of Lake Louise is due to glacial wash In reality, the colour is due to rock flour carried in the glacial melt that trickles down to the lake. The sun reflects off these particles, refracting blue and green wavelengths of light.

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Moraine Lake is only half the size of its nearby neighbour Lake Louise, but perhaps even more scenic. It's situated at an elevation of 1883 meters in the beautiful Valley Of The Ten Peaks in Banff National Park. This glacier-fed lake becomes the most intense and vivid shade of turquoise blue.

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Glacier-Melt and Rock Flour The rock flour consists of finely ground rock sediments, primarily composed of minerals like silt, clay, and glacial till. These minuscule particles remain suspended in the water, scattering sunlight and giving it a unique turquoise or milky blue appearance.

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