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The 460-foot Sleeping Bear Dunes tower over the northeastern shore of Lake
Michigan like shifting pyramids of sand. The dunes are a popular launching pad
for hang gliders and stretch for seven of the thirty-four miles of national
lakeshore. The Sleeping Bear Dunes are the world's largest perched dunes, so
named because the dunes sit atop high, limestone bluffs. The dunes are slowly
migrating eastward and inland, where forest remnants of bleached pine, white
birch, and cedar swamps persist.
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