Illinois Iron Furnace
Illinois Iron Furnace, Historic blast furnace in Shawnee National Forest, Illinois, United States.
The limestone structure stands 32 feet tall and features a furnace chamber designed to produce iron through the charcoal blast method.
Constructed between 1837 and 1839, the furnace operated until 1883, with a pause during the Civil War due to labor shortages.
The furnace represents the industrial advancement of Illinois during the 19th century, marking the development of local manufacturing capabilities.
Visitors can explore the site through interpretive displays, picnic facilities, and walking paths within the Shawnee National Forest setting.
This structure remains the last standing iron furnace in Illinois, producing nine tons of iron daily during its operational peak.
Location: Hardin County
GPS coordinates: 37.49940,-88.32810
Latest update: September 23, 2025 14:24
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