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Going-to-the-Sun Road, United States
Going-to-the-Sun Road is a 50-mile engineering marvel that bisects Glacier National Park in Montana, climbing from the shores of Lake McDonald (3,153 feet) on the west side to Logan Pass (6,646 feet) at the Continental Divide, then descending along St. Mary Lake on the east side. Completed in 1932 after 11 years of construction, the road was carved into near-vertical mountainsides with dynamite and hand tools. The west side passes through old-growth cedar and hemlock forest before reaching The Loop (a sharp switchback at mile 24.5) and the dramatic Garden Wall — a knife-edge ridge where the road is cut into sheer cliffs with waterfalls spilling over the pavement. At Logan Pass, the Hidden Lake Overlook trail (1.5 miles one way) offers views of hanging glaciers. The east side descends through wildflower meadows to the turquoise waters of St. Mary Lake and Wild Goose Island.
explore by interest
Drive west to east (Lake McDonald to St. Mary) for the most dramatic reveal of the alpine scenery. The road is open only from late June through mid-October — plow crews begin in April but Logan Pass often doesn't open until early July. Vehicle reservations are required from late May through early September. No vehicles over 21 feet or 8 feet wide. Arrive before 8 AM or after 4 PM to avoid the worst congestion at Logan Pass.
Mid-July through mid-August for fully open road and wildflower meadows. September for larch trees turning gold and thinner crowds. Late June can still have snow walls along the road. The road closes at the first heavy snowfall, usually in mid-October.