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Naperville in Will County, Illinois — The American Midwest (Great Lakes)
 

Are You Curious About the River?

 
 
Are You Curious About the River? Marker image. Click for full size.
Photographed by Sean P. Flynn, August 18, 2026
1. Are You Curious About the River? Marker
Inscription.
You might find the answers to your questions here.

How did this river begin?
About 12,000 years ago, the last glacier left behind valleys and ridges (moraines) carved by meltwater. Two of the deeper valleys between moraines became the East and West Branches of the DuPage River (which join about a mile south of here).

Where does the Dupage River end?
The DuPage River flows into the Des Plaines River at Channahon. Along with the Kankakee River, the Des Plaines River merges into the Illinois River, which makes its way to the Mighty Mississippi. The Mississippi River flows into the Gulf of Mexico. Believe it or not, the waters of the Du Page River are headed to the sea.

"To the lost man, to the pioneer penetrating a new country, to the naturalist who wishes to see the wild land at its wildest, the advice is always the same: follow a river. The river is the original forest highway. It is nature's Town Wilderness Road." - Edwin Way Teale

Native life on the River
1 Smallmouth Bass, Micropterus dolomieu
2 Nodding Bur Marigold, Bidens cernua
3 Wood Duck (female), Aix sponsa
4 Northern Water Snake, Nerodia sipedon
5
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North American River Otter, Lontra canadensis
6 Blanding's Turtle, Emydoidea blandingii
 
Erected by Naperville Park District.
 
Topics. This historical marker is listed in these topic lists: AnimalsAnthropology & ArchaeologyEnvironmentWaterways & Vessels.
 
Location. 41° 42.75′ N, 88° 8.504′ W. Marker is in Naperville, Illinois, in Will County. It is on Knoch Knolls Road 1.2 miles east of 95th Street, on the right when traveling east. The marker is in Knoch Knolls Park, along the DuPage River West Branch near the pedestrian bridge. Touch for map. Marker is at or near this postal address: 336 Knoch Knolls Road, Naperville IL 60565, United States of America. Touch for directions.

Regionally, this marker is in Greater Chicago. It is also in the American Midwest. Globally, it is in North America, on the Great Lakes, in the Western Hemisphere, in the Western World, and in 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
Are You Curious About the River? Marker image. Click for full size.
Photographed by Sean P. Flynn, August 18, 2026
2. Are You Curious About the River? Marker
The DuPage River West Branch flows behind it.
markers are within walking distance of this marker: Where the Rivers Meet (about 300 feet away, measured in a direct line); a different marker also named Where the Rivers Meet (about 300 feet away); Not Prairie, Not Woods (about 300 feet away); First Claim on the Confluence (about 400 feet away); Scott Settlement (about 400 feet away); Knoch Knolls Park (about 500 feet away); The Land Where the Rivers Meet (about 500 feet away); a different marker also named Where the Rivers Meet (approx. 0.2 miles away). Touch for a list and map of all markers in Naperville.
 
DuPage River West Branch image. Click for full size.
Photographed by Sean P. Flynn, August 18, 2026
3. DuPage River West Branch
A view from the pedestrian bridge near this marker, which is off camera to the left.
 
 
Credits. This page was last revised on August 20, 2026. It was originally submitted on August 20, 2026, by Sean P. Flynn of Oak Park, Illinois. This page has been viewed 3 times since then. Photos:   1, 2, 3. submitted on August 20, 2026, by Sean P. Flynn of Oak Park, Illinois.
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Aug. 21, 2026