Grand Marais Harbor of Refuge Inner Light

The Grand Marais Harbor of Refuge Inner Light is a historic lighthouse located on the shores of Lake Superior in Burt Township, Michigan, United States.

History

• The construction of this tower began in 1894 and was completed in 1895 by the U.S. Coast Guard.
• It played a vital role in guiding mariners through the treacherous waters of the Soo Locks.

Architecture

The Grand Marais Harbor of Refuge Inner Light is a 45-foot (13.7 meters) tall, white-painted, cylindrical tower with a distinctive black lantern room at its top.

The structure is made of cast iron and features a unique, ornate design that reflects its maritime heritage.

The lighthouse's foundation is anchored to the lake bed, providing stability against the powerful winds and waves of Lake Superior.

Light Characteristics

The Grand Marais Harbor of Refuge Inner Light emits a fixed white light from its lantern room, visible for up to 21 nautical miles (39 kilometers) in all directions.

The light's pattern is a steady, rotating beam that helps guide mariners safely into the harbor.

Current Status

The lighthouse remains an active aid to navigation, although it has been automated since 1987.

It continues to play a vital role in ensuring the safety of mariners and vessels navigating the Soo Locks.

Location and Accessibility

The Grand Marais Harbor of Refuge Inner Light is located on the shores of Lake Superior, within Burt Township, Michigan.

The lighthouse can be accessed via the Coast Guard Loop, which provides parking for visitors.

A short walk from the loop leads to the tower's base, where a small museum and interpretive center offer insight into the history and significance of this important maritime landmark.

Heritage Status

The Grand Marais Harbor of Refuge Inner Light was listed on the National Register of Historic Places in 2012, recognizing its importance as a historic lighthouse and aid to navigation.

The structure is also designated as a National Historic Landmark by the U.S. Coast Guard.

Notable Historical Events

During World War II, the Grand Marais Harbor of Refuge Inner Light played a significant role in the war effort, serving as a vital communication relay station for the U.S. military.

Grand Marais Harbor of Refuge Inner Light