Located on the St. Louis River Estuary in Superior, Wisconsin

The Lake Superior National Estuarine Research Reserve works in partnership to improve the understanding of Lake Superior’s coast and estuaries. We address issues affecting the watershed through integration of research, education, outreach and stewardship.

Lake Superior Estuarium

a better future

The Lake Superior Estuarium, our new public interpretive center, creates a better future through community, collaboration and place-based education.

students using interactive map table at Lake Superior Reserve Learning Center
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New Environmental Research Fellowship Program Seeking Applicants

Jun 20th, 2019, NOAA’s Office for Coastal Management

Teaming Up to Train Professionals on Harmful Algal Blooms

May 31st, 2019, Great Lakes Restoration Initiative

Lake Superior Reserve Director testifies before Congress on climate change

May 24th, 2019, University of Wisconsin-Madison Division of Extension

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Upcoming Events

Live Data

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Pokegama Bay


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All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)

Explore the Estuary

St. Louis River Estuary

The St. Louis River Estuary is a rich, unique and diverse place to explore. From sandy beaches to protected bays valued for bass, walleye and muskie fishing, to the wild Red River Breaks, the St. Louis River provides a wilderness experience within 10 minutes of the Twin Ports.

Get out and explore
St. Louis River Estuary