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Sunset over the parade field at Fort Adams, with a cannon on the lawn and the arched casemates beyond

Newport, Rhode Island · National Historic Landmark

America's largest coastal fortress

Walk the ramparts, descend into the tunnels, and discover more than two centuries of history at one of the most remarkable fortifications ever built in the United States.

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Find your way inside

Explore the Fort

Choose a place on the map and get a closer look at the spaces, stories, and views that make Fort Adams remarkable.

Learn the language of the fort

Select a numbered marker to watch a short film.

What's on

Upcoming events

The North Lawn event venue overlooking sailboats in Newport Harbor
Family

Sun, Nov 1, 2026 · 9:00 AM

Cars & Coffee — Trunk or Treat at Fort Adams

Fort Adams Drive, Newport, RI 02840

An Audrain Cars & Coffee Trunk or Treat gathering at Fort Adams. See the organizer for the latest event details.

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Interior of the Southeast Demibastion at Fort Adams
FeaturedTours

Mon, Feb 1, 2027 · 12:00 PM

Restoring the Fort: Southeast Demibastion Grand Opening

Historic Fort Adams

Southeast Demibastion Grand Opening Celebration A Major Milestone in the Restoration of Fort Adams

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Weddings & private events

Host your celebration at a historic landmark

From waterfront ceremonies to grand receptions within the fort's storied walls, Fort Adams offers an unforgettable setting for weddings, corporate gatherings, and special occasions of every kind.

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An illuminated white wedding tent beside the stone walls of Fort Adams at dusk

The fortress story

Two centuries within the granite

Every wall, tunnel, and cannon at Fort Adams has a story. Begin exploring the history that shaped America's largest coastal fortress.