Historic Forts in Illinois

6 forts across 6 eras.

Quick Statistics

6

Total forts

6

Eras represented

0

Active bases today

5

Open to visitors

1

Coastal defense

Forts by Era

Indian Wars & FrontierMost common1 · 17%

Colonial Era1 · 17%

War of 18121 · 17%

American Revolution1 · 17%

French & Indian War1 · 17%

Spanish-American War & Coastal Defense1 · 17%

Map of Forts in Illinois

5 of 6 forts have mapped coordinates. Click a marker for details.

Loading map…

Map data © OpenStreetMap contributors

All Forts in Illinois

Indian WarsFort ArmstrongRock Island · est. 1816 French and Indian War, Colonial EraFort de ChartresPrairie du Rocher, Randolph County · est. 1720 War of 1812Fort DearbornChicago · est. 1803 American RevolutionFort KaskaskiaChester · est. 1759 French and Indian War, American Revolutionary War, Northwest Indian WarFort MassacMassac County · est. 1757 Spanish-American War, World War I, World War IIFort SheridanLake County (spanning Lake Forest, Highwood, and Highland Park) · est. 1887

Browse Forts in Other States

Explore the directory state by state.