Trail Ridge Road traverses Rocky Mountain National Park from Estes Park, Colorado in the east to Grand Lake, Colorado in the west. It crosses the Continental Divide at Milner Pass (elev. 10,120 ft/3,085 m) and reaches a maximum elevation of 12,183 ft (3,713 m). It is the highest paved through highway in the United States, carrying U.S. Highway 34 along its length.

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• Scenic drives in Rocky Mountain National Park