Our County.

Our History.

Our Museum.

We are Clinton County, New York’s museum.
We preserve and protect the heritage of Clinton County’s residents.

The Museum

The museum is located on Plattsburgh’s Old Base Museum Campus, with four galleries, a gift shop, and a research library. The museum is open Wednesday through Saturday, 10 am to 3 pm, as well as by appointment.

See Exhibits Visit Store

Bluff Point Lighthouse

Located on Valcour Island, it overlooks the site of the most important naval battle of the American Revolution. It was placed into service to guide ships through the channel running between Valcour Island and the New York shore.

Learn More

Become a Member!

Support the preservation and educational work of the Clinton County Historical Association through an annual contribution. Members receive a 10% discount on books published by the Association, access to the research library, and the Association’s newsletter, North Country Notes.

Learn More

Events

{ See all events }

April 23, 2026

6:00 pm

“Should the Enemy come up the Lake…you will act with such cool determined valour, as will give them Reason to repent their Temerity.”

Plattsburgh Memorial Chapel, Old Base, Plattsburgh.

Learn More

May 5, 2026

5:30 pm

The History of the Lozier Marine Engines and the Plattsburgh Boat House with transportation historian Richard Soper.

Plattsburgh Public Library, 19 Oak Street, Plattsburgh

Learn More

May 17, 2026

11:00 am

America250 Kick-off Event – Honoring 250 Years of Veterans

American Legion Post 1619, 219 Rand Hill Rd. Morrisonville

Learn More