<p>The window is open. The fog signal and boathouse are in the foreground. Lake Superior and the dunes are in the distance.</p>
<p>View out a Au Sable Lighthouse window looking north towards the Grand Sable Dunes</p>
<ul><li>Keywords: Pictured Rocks National Lakeshore; Pictured Rocks; piro; Au Sable Light Station; au sable; lighthouse; lake superior</li></ul>
NPS Photo
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