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Upper Sluice is a quick tangent that gets the intermediate from the top of the American Flyer Lift, down to the Sierra lift without going around or going down the steep Indian Ridge.
This still has its challenges though, usually with many bumps and a steep quick face.
Bear to the left side of this run to bypass most of the bumps.
Since this faces SE it can get sun baked and then freeze so look for hard conditions in the changing springtime.