Hands-on exhibits at the Discovery Center and a boardwalk exploration of Great Bay culminate with a visit to a woodland Native American camp. Of all the twenty-five national estuarine research reserves in the United States, Great Bay is located farthest inland (15 miles).
It’s the largest reserve, comprised of nearly 4,500 tidewater acres, 48 miles of shoreline, and 800 coastal acres of protected salt marshes and woodland. Water ebbs and flows from this bay with daily tides. The Piscataqua River in Portsmouth is the conduit for the major tidal force, while the estuary receives fresh water and nutrients from the Swamscott, Lamprey, and Winnicut Rivers.
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