Illini State Park
Illini State Park is a nature reserve in Illinois, at a modelled elevation of 151 m. Smiths Mound stands 228 m to the south, 18 miles off. The nearest named place is Ancient Oaks Day Use Area, a park 0.4 miles away. Illinois River Road passes 5.7 miles off. 8 named summits stand within 25 miles.
What to expect
- Operated by
- Illinois Department of Natural Resources
How to reach it
- 5.7 mi off the Illinois River Road, National
- 21.9 mi off the Historic Route 66, National
Overlooks nearby
- Illinois Canyon · 11 mi
- Kaskaskia Canyon · 11 mi
- Council Overhang · 11 mi
- Ottawa Canyon · 11 mi
Named places within 25 miles
- Ancient Oaks Day Use Area: 0.4 mi
- Marseilles State Fish and Wildlife Area: 3.7 mi
- Varland Park: 5.3 mi
- Fox River Park: 5.4 mi
- East Side Park: 5.4 mi
- Middle East Conflicts Memorial Wall: 1.1 mi
- Civil War Memorial: 5.9 mi
- Abraham Lincoln and Stephen Douglas: 5.9 mi
- Remembering the Radium Girls: 6.0 mi
- Site of First Settler in Kendall County: 11.9 mi
- Dayton Bluffs Preserve: 4.4 mi
- Buffalo Rock State Park: 9.7 mi
- Matthiessen State Park: 15.3 mi
- Matthiessen State Park: 15.4 mi
- Starved Rock Nature Preserve: 15.9 mi
- Volvo Island: 4.0 mi
- ATSF Depot: 14.7 mi
- CSX Morris Depot: 16.3 mi
- Birthplace of Wild Bill Hickok: 20.6 mi
- Farnsworth House: 23.7 mi
- Water Strider Effigy: 9.5 mi
- Frog Effigy: 9.6 mi
- Buffalo Rock: 9.7 mi
- Catfish Effigy: 9.7 mi
- Starved Rock: 13.3 mi
- La Salle County Historical Museum: 14.4 mi
- Streatorland Historical Museum: 14.9 mi
- Grundy County Historical Society: 15.9 mi
- Fern Dell Museum: 16.7 mi
- Earlville History Museum: 20.8 mi
- Ottawa Canyon Waterfall: 11.2 mi
- Wildcat Canyon Waterfall: 13.0 mi
- Saint Louis Canyon Waterfall: 14.2 mi
- Lake Falls: 15.3 mi
- Cascade Falls: 15.4 mi
- Shadow Bluff: 5.0 mi
- Buffalo Rock: 10.1 mi
- Holderman Hill: 10.4 mi
- Boy Scout of America: 6.9 mi
- Reuben G. Soderstrom: 14.8 mi
- Train: 22.9 mi
- Three Rivers Rest Area (Eastbound): 21.4 mi
- Three Rivers Rest Area (Westbound): 22.6 mi
- Tall Oaks Picnic Area: 23.6 mi
- Fox View Picnic Area: 23.7 mi
Summits around it
The highest named summits within 25 miles of Illini State Park. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Smiths Mound | S 173° | 228 m | 18.4 mi |
| Maramech Hill | NNE 24° | 196 m | 23.9 mi |
| Piety Hill | W 266° | 189 m | 18.0 mi |
| Buffalo Rock | W 270° | 170 m | 9.7 mi |
| Starved Rock | W 269° | 167 m | 13.3 mi |
When to go
Light through the year
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 06:59 | 18:31 | 19:07 |
| June solstice | 05:23 | 19:51 | 20:32 |
| September equinox | 06:43 | 18:18 | 18:54 |
| December solstice | 07:18 | 15:45 | 16:29 |
Local time (America/Chicago).
Climate normals
Months averaging 50–80 °F: May–Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 23 | 26 | 37 | 49 | 61 | 70 | 73 | 72 | 65 | 53 | 40 | 29 |
| Precip in | 2.0 | 1.9 | 2.5 | 3.6 | 4.7 | 4.9 | 3.9 | 4.1 | 3.5 | 3.2 | 2.7 | 2.1 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Marseilles Lock/dam, 1 mi away.
- Virginia bluebells14 obs
- mayapple13 obs
- bloodroot12 obs
- prairie trillium12 obs
- Dutchman's breeches11 obs
- Round Goby10 obs
- Butterweed9 obs
- Virginia Springbeauty9 obs
Research-grade iNaturalist community observations within 3 km — what people have recorded, not a species inventory.
Where this comes from
Location and category confirmed against OpenStreetMap.
OpenStreetMapWikipediaWikidataOpenStreetMap element way/1323438635
Day trips start here
- Cherry · 26 mi
Take the scenic way to Illini State Park.
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