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Near Oglesby in LaSalle County, Illinois — The American Midwest (Great Lakes)
 

Fort Saint Louis

French occupation at Le Rocher (Starved Rock)

 
 
Fort Saint Louis Marker image. Click for full size.
Photographed by Connor Olson, July 7, 2024
1. Fort Saint Louis Marker
Inscription. <
i> French trade and diplomacy thrived between 1683 through 1691 along the Illinois River at Fort Saint Louis which once encompassed the top of the sandstone butte later known as "Starved Rock."

French explorer Robert Renee Cavalier Sieur de La Salle noticed the sandstone butte known today as Starved Rock on his first expedition into the region in 1680.

La Salle's second in command Henry Tonti constructed Fort St. Louis with the help of about 20 men in the winter of 1683.

The Fort supplied a strategic line of communication between the Great Lakes Region and the Mississippi River Valley, and a successful trade enterprise between the French and surrounding Native American tribes.

In 1683, La Salle and Tonti convinced the Illinois to return to the Illinois Valley and persuaded several other tribes to relocate in the Starved Rock area.

Historians often refer to this collection of tribes as "La Salle's Colony." Trade included furs from beaver and bison for European goods such as metal pots, guns, knives and wool blankets.

A warehouse, a chapel, and several cabins enclosed by a 15-foot-high fence known as a palisade complete with wooden block houses called redoubts dominated the highest point along this section of the river and served as a military outpost
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and epicenter for trade in the Illinois Country for the next 8 years. Resources eventually dwindled and the fort was abandoned and a new fort was built near present day Peoria.

Fun Fact:
The French named the fort "Saint Louis" after Saint Louis the IX of France.

La Salle's Colony stretched from the Kankakee River to present day Bureau County.
 
Erected by Illinois Department of Natural Resources.
 
Topics. This historical marker is listed in these topic lists: ExplorationForts and Castles. A significant historical year for this entry is 1680.
 
Location. 41° 19.296′ N, 88° 59.428′ W. Marker is near Oglesby, Illinois, in LaSalle County. It is on Bluff Trail 0.2 miles north of East 875th Road, on the right when traveling west. Touch for map. Marker is at or near this postal address: 2678 East 873 Road, Oglesby IL 61348, United States of America. Touch for directions.

Regionally, this marker is in Northern Illinois and specifically in the Illinois River Valley. It is also in the American Midwest and in the Corn Belt. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the territory of the Mississippian Culture and also the Northwest Territory.

Other nearby markers. At least 8 other markers are within walking distance of this marker: The Illinois (here, next to this marker); This Plaque is Placed in Memory of the Patriots (here, next to this marker); A New Water Highway (within shouting distance of this marker); The Legend of Starved Rock (within shouting distance of this marker); Fort St. Louis (about 400 feet away, measured in a direct line); Commemorating the Deeds of the Union Veterans of the Civil War
Fort Saint Louis Marker on the left image. Click for full size.
Photographed by Connor Olson, July 7, 2024
2. Fort Saint Louis Marker on the left
(about 700 feet away); Starved Rock (about 700 feet away); Renι Robert Cavelier Sieur de La Salle (approx. 0.2 miles away). Touch for a list and map of all markers in Oglesby.
 
 
Credits. This page was last revised on October 10, 2024. It was originally submitted on October 8, 2024, by Connor Olson of Menomonee Falls, Wisconsin. This page has been viewed 578 times since then and 124 times this year. Photos:   1, 2. submitted on October 8, 2024, by Connor Olson of Menomonee Falls, Wisconsin. • Devry Becker Jones was the editor who published this page.
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Jun. 29, 2026