• Lake Superior in a stormy mood. Photo copyright Craig Blacklock

    Pictured Rocks

    National Lakeshore Michigan

Water Quality

Ice bergs pile up along the Lake Superior shore.

Ice along Lake Superior

Photo courtesy of Lars Jensen

Monitoring Water Quality at Pictured Rocks National Lakeshore, Great Lakes Network Resource Brief (one page pdf)


Assessment of Coastal Water Resources and Watershed Conditions at Pictured Rocks National Lakeshore, Technical Report NPS/NRWRD/NRTR-2006/361 (large pdf, 130 pages)

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Did You Know?

The light tower and flagpole of the Au Sable Light Station stand proudly.

Located within Pictured Rocks National Lakeshore, the Au Sable Light Station is on the National Register of Historic Places. Constructed in 1874, the station beacon still shines over Lake Superior's frigid waters. The lamp is now solar powered. More...