This is "Upper Ice Lake", located near Silverton, CO. The lake sits at about 12,257 ft (3,714 m), and the peaks seen are the Golden Horn (13,769 ft - 4172 m) and the Pilot Knob (13,738 ft - 4,163 m).
My buddy Ramon and I are above treeline, a tough hike with all the camera paraphernalia; it’s windy and cold (20F) and there’s no water in sight. But then I see it... The bluest lake we’ve ever seen rests just in front of our eyes. Upper Ice Lake is a glacial tarn - a lake carved and fed by glaciers -that gets its nearfluorescent blue color from rock flour. When a glacier moves, it grinds the bedrock below, creating a crushed-rock powder that suspends in the water and absorbs the sun’s light spectrum in a way that creates a beautiful cerulean appearance. There are only a handful of similarly colored glacial lakes in the state, and although we’re standing along its banks, we still can’t believe its hue is natural.
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