Round Island Lighthouse

The Round Island Lighthouse was constructed in 1859 to serve as a navigational aid for mariners approaching Mackinac Island, located between the state of Michigan and the Canadian province of Ontario.

History

• The lighthouse played a crucial role in guiding ships through the treacherous waters of the Straits of Mackinac.
• Union forces seized control of the lighthouse, using it as a strategic location to monitor and disrupt Confederate shipping activity in the region during the American Civil War.

Architecture

The Round Island Lighthouse stands at a height of 30 meters (98 feet) above sea level, with its focal height reaching an impressive 45 meters (148 feet).

The tower's design is characteristic of traditional lighthouses, featuring a cylindrical structure with a distinctive lantern room.

The lighthouse was constructed using local materials, including limestone and brick.

Light Characteristics

The Round Island Lighthouse emits a fixed red light, visible from a range of approximately 20 nautical miles (37 kilometers).

The light pattern is a steady pulse, designed to provide reliable guidance for mariners navigating the island's waters.

Current Status

The Round Island Lighthouse remains an active aid to navigation, although it has been automated since its installation.

The lighthouse is no longer used as a primary navigational aid, but it continues to serve as a historic landmark and tourist attraction.

Location and Accessibility

Located on Main Street in Mackinac Island, the Round Island Lighthouse is easily accessible by foot or by bike.

Visitors can view the lighthouse from the street or take a guided tour to learn more about its history and significance.

Heritage Status

The Round Island Lighthouse has been designated as a historic landmark by the state of Michigan, recognizing its importance in the region's maritime heritage.

Notable Historical Events

• During the American Civil War, the Round Island Lighthouse played a significant role in the blockade of the Straits of Mackinac.