Nature
Big Drift is a deep seasonal snowfield on the Going-to-the-Sun Road just east of Logan Pass in Glacier National Park, formed when westerly winds drive snow over the Continental Divide onto a ridge extending south from Pollock Mountain. Reaching depths of 80 feet and stretching a little more than 1 mile, it is one of the hardest sections of the road to reopen each spring. Crews must survey avalanche danger, locate the buried road, blast cornices, and remove enormous volumes of snow. This obstacle has become a defining challenge in opening Glacier’s famous road and can delay access well into summer.
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Montana · United States
