The Fort Gratiot Lighthouse (#13 of 129) is located in Port Huron, Michigan on Lake Huron.
Location: Lake Huron
Coordinates: 43°0′22.7″N 82°25′20.9″W
Year First Lit: 1825
Height: 82 feet (25 m)
Lens: 4th Order Fresnel until 1862, then replaced with a 3rd Order
Fun Fact: Fort Gratiot is the oldest surviving Lighthouse in Michigan
Preservation Group: Port Huron Museums