Fiborn Karst Ruins

The Fiborn Karst Preserve covers nearly 500 acres. The area was the site of a limestone quarry that operated in the early 1900s supplying Algoma Steel of Sault Ste. Marie, Ontario. The abandoned quarry is a popular destination for hikers and history buffs. In the middle of the quarry are the ruins of the railroad house and the ore car loader. Both structures are interesting to visit, and both are now festooned with graffiti and chalk art.

fiborn ruins

This is a karst formation which means that there are sinkholes, springs and caves formed by running water. The streams and swamps drain into the Hendrie River, dissolving the limestone as the water flows. Another unique feature of this area is the Hendrie River Water Cave. It is the longest known cave in Michigan and has a stream running through it. The cave is narrow, difficult, and considered dangerous. Entry is restricted requiring a guide and a permit. Other caves exist in the area. All are wet and unsuitable for amateur explorations.

ruins

The Fiborn Karst Preserve and Ruins make for a unique Michigan day trip.

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