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Especially the section from Rainy Pass to High Bridge and Stehekin
Walk the short interpretive trail to see Gorge Lake and Gorge Dam. Also stop on the Gorge Creek Bridge to spot Gorge Creek Falls in the ravine behind the highway.
This brilliantly blue reservoir is flanked by some of the steepest slopes in the park. The turquoise hue of the lake's water is attributed to surrounding glaciers grinding rocks into glacial flour that stays suspended in the lake.
This reservoir stretches past the Canadian border, flanked by some of the most jagged mountains in the entire range, especially Hozomeen Mountain. A pair of overlooks describe the geologic history and the writers who have been inspired by the North Cascades.
At 4855 ft, a viewpoint and a popular trailhead for the Pacific Crest Trail.