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Round Island Passage Light

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Round Island Passage Light, Lighthouse in Mackinac County, United States

Description

Round Island Passage Light is a lighthouse in Mackinac County, Michigan that rises from a concrete platform supported by a timber crib foundation built into the lake bed. The tower uses an automated light system to guide ships through the Round Island Channel, a busy passage for vessel traffic.

History

The lighthouse began operations in 1948 to help vessels navigate the Round Island Channel safely after construction was delayed by World War II. Its creation reflected growing shipping traffic in this part of Lake Huron during the post-war period.

Culture

Bronze Indian head reliefs decorate each side of the five-story tower, representing the Native American heritage of the Mackinac Island region.

Practical

This is an active navigational aid that operates automatically and is best viewed from a distance or by boat in the surrounding waters. The fog signal activates when needed to alert passing vessels to the location of the passage.

Did you know?

The foundation contains an internal system with rocks of varying sizes layered throughout to provide extraordinary stability in the shifting lake bed. This engineering approach allows the structure to withstand the harsh conditions of Lake Huron for decades.

Location
Inception
1947
Height
18 m
Made from material
reinforced concrete, box crib
GPS coordinates
45.84330,-84.61500
Latest update
December 14, 2025 12:25

AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide. Discover all places nearby (Mackinac County).

« Round Island Passage Light - Lighthouse in Mackinac County, United States » is provided by Around Us (aroundus.com). Images and texts are derived from Wikimedia project under a Creative Commons license. You are allowed to copy, distribute, and modify copies of this page, under the conditions set by the license, as long as this note is clearly visible.

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