Great Falls of the Illinois River
Illinois · height not recorded · Last verified 2026-05-15
No verified photo yet
Great Falls of the Illinois River is a waterfall in LaSalle County, Illinois. Height has not been officially recorded. Access details and conditions have not yet been verified in person by Fallspots — the data on this page comes from OpenStreetMap and USGS GNIS.
Compare to nearby falls
If this one isn't the right fit, here's how it stacks up against the closest documented falls. Every column is filterable on the site — not buried in 13,000 reviews.
| Waterfall | Distance | Height | Trail | Dogs | Fee |
|---|---|---|---|---|---|
| Great Falls of the Illinois River (this page) | — | — | — | — | — |
| Ottawa Canyon Waterfall | 12 mi | — | — | Y | Free |
| Wildcat Canyon Waterfall | 13 mi | — | — | Y | Free |
| Saint Louis Canyon Waterfall | 15 mi | — | — | Y | Free |
| Lake Falls | 16 mi | — | — | Y | Free |
| Cascade Falls | 16 mi | — | — | Y | Free |
Questions visitors ask about Great Falls of the Illinois River
Answers built from our structured data. If a question isn't here, the fact is unverified — we'd rather omit than guess.
How far is Great Falls of the Illinois River from a major city?
Great Falls of the Illinois River is 4 miles from Marseilles (about 6 minutes' drive).
More waterfalls in Illinois
Where it is
41.3278, -88.7251
Sources and live status
Where we got the data, and where to check current conditions before you drive.
Last verified by Fallspots: 2026-05-15
Been there?
Marina and Theo verify pages one road trip at a time. If you've been to Great Falls of the Illinois River recently, your local knowledge improves the page for everyone. Pick the kind of contribution that fits — every email lands in our inbox and gets read (and credited when we publish).
Add a tip
Something we should know — best time, parking trick, that hidden viewpoint.
Share a photo
Have a CC-licensed image on Wikimedia or Flickr? Send the link.
Report a fix
Wrong height, closed trail, broken link — tell us what we got wrong.
We don't collect your email. Replies go directly to hello@fallspots.com.