The Big Drift is a seasonal snow accumulation that occurs along the <a href="https://en.wikipedia.org/wiki/Going-to-the-Sun_Road" class="extiw" title="en:Going-to-the-Sun Road">Going-to-the-Sun Road</a> in <a href="https://en.wikipedia.org/wiki/Glacier_National_Park_(US)" class="extiw" title="en:Glacier National Park (US)">Glacier National Park</a>. The snowdrift can accumulate over 30 meters/100 feet deep and is located immediately east of the Continental Divide.
USGS Photos by Blase Reardon
2006-03-23
<a rel="nofollow" class="external free" href="http://www.nps.gov/glac/gallery/032306.htm">http://www.nps.gov/glac/gallery/032306.htm</a>