Photo: Robert Lawton · CC BY-SA 2.5O'Fallon has 546 acres of parks, 17 for every 1,000 residents
The biggest trail networks: O'Fallon Family Sports Park (2.2 mi). 5% of O'Fallon’s land is conserved, about 506 acres. 71% of residents live within a half mile of a park.
Ahead of 58% of U.S. towns · #427 of 768 in Illinois. What drives it
How much outdoors does O'Fallon have?
On conserved land, trails, park land and how close residents live to a park, O'Fallon is ahead of 58% of U.S. towns, #427 of 768 in Illinois. Conserved land holds the grade up; trail miles pull it down.
PAD-US, OpenStreetMap (© OpenStreetMap contributors), Census 2025 Gazetteer and 2020 blocks; details in Sources below. How TownRatings grades the outdoors →
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Pick a walk
The longest trail network is O'Fallon Family Sports Park, with 2.2 miles. Directions go to the nearest trailhead or public parking.
Rock Springs Park
All 9 parks & preserves
506 conserved acres
5% of O'Fallon’s land. Who manages O'Fallon’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Family Sports Park Local Park | Town or city | 199 | Open |
| Rock Springs Nature Park Local Park | Town or city | 102 | Open |
| St. Ellen Mine Park Local Park | Town or city | 99 | Open |
| O'Fallon Community Park Local Park | Town or city | 36 | Open |
| Hesse Park Local Park | Town or city | 21 | Open |
| Veterans' Monument Local Park | Town or city | 17 | Open |
| Ogle'S Creek Park Local Park | Town or city | 12 | Open |
| Behren'S St Soccer Fields Local Park | Town or city | 9 | Open |
| Thoman Park Local Park | Town or city | 5 | Open |
| Rohr Park Local Park | Town or city | 5 | Open |
15 places to go in O'Fallon
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Plus 12 playgrounds without a name on the map. Tap “Show all on map” to see them.
1 boat launch without a name on the map. Tap “Show all on map” to see it.
2 named trails and 2 lakes & rivers
13 miles of bike routes
Bike lanes are often missing from the map in smaller towns, so that number is likely low.
Includes school and college facilities, which aren’t always open to the public.
1 place on the National Register
The country’s official list of places worth saving (National Park Service). The map also marks 1 historic points from OpenStreetMap: plaques, memorials and old buildings.
The walking year in O'Fallon
NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.7 | 10.7 | 11.8 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.1 | 10.0 | 9.5 |
| High (°F) | 40 | 45 | 56 | 67 | 77 | 85 | 88 | 87 | 81 | 69 | 55 | 44 |
| Rain (in) | 2.6 | 2.3 | 3.5 | 4.9 | 5.1 | 4.4 | 3.9 | 3.4 | 3.3 | 3.2 | 3.5 | 2.7 |
February is the driest month (2.3 in) and July the warmest (highs of 88 °F). 5.1 inches fall in May, the wettest month. Summer highs reach 88 °F, too hot for the outline. The climate in O'Fallon →
O'Fallon and its neighbors
Tap a town to see its outdoors.
| Town | Conserved of land | Trail mi per sq mi | Park acres per 1,000 | Near a park ½ mile | Outdoors |
|---|---|---|---|---|---|
| O'Fallon | 5% | 0.2 | 17 | 71% | B |
| Shiloh | 7% | 0.4 | 18 | 38% | B |
| O'Fallon Township | 4% | 0.2 | 13 | 66% | B− |
| Fairview Heights | 3% | 0.6 | 12 | 73% | B |
| Scott AFB | 2% | 1.4 | 5 | 32% | C+ |
| Caseyville Township | 3% | 0.3 | 16 | 65% | B− |
| Shiloh Valley Township | 3% | 0.4 | 23 | 45% | B− |
| Swansea | 3% | 0.4 | 10 | 69% | B− |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in O'Fallon
Where can I hike in O'Fallon?
The longest trail networks: O'Fallon Family Sports Park, 2.2 miles; Rock Springs Park, 0.1 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of O'Fallon is conserved land?
5% of its land, against a typical 4% for an Illinois town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.
Are dogs allowed on O'Fallon’s trails?
O'Fallon Family Sports Park and St Ellen Mine Park don’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in O'Fallon?
13 miles of bike routes are on the map: 1.4 of painted or protected lanes and 11 of off-road paths.
Is there public land near O'Fallon?
11,289 acres of parks and open public land lie inside O'Fallon or within 10 miles of it (PAD-US), 546 of them inside the city line.
How much outdoors does O'Fallon have?
Ahead of 58% of U.S. towns on the Outdoors grade, #427 of 768 in Illinois. The grade combines the share of land that is conserved, miles of mapped trail per square mile of land, park acres per 1,000 residents and the share of residents within a half mile of a park. It’s a character grade, so it isn’t part of the overall grade. How it works.
Trail talk
Conditions, parking and favorite walks from O'Fallon neighbors.
Where this page comes from
Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →