State Parks Near O'Fallon, MO
23 state park units lie within 50 miles of O'Fallon as the crow flies, across Missouri and Illinois. The closest is Dr. Edmund A. Babler Memorial State Park, about 11 miles south. 10 of the 23 listed here offer camping. Distances are straight-line, not driving distance.
Dr. Edmund A. Babler Memorial State ParkWildwood, Missouri11.4 mi southTemporarily closed
First Missouri State Capitol State Historic SiteSt. Charles, Missouri12.9 mi east
Pere Marquette State ParkGrafton, Illinois16.1 mi northeast
Castlewood State ParkBallwin, Missouri18.6 mi southeast
Mississippi River SFWAGrafton, Illinois18.7 mi northeast
Route 66 State ParkEureka, Missouri20.1 mi south
Cuivre River State ParkTroy, Missouri20.8 mi northwestTemporarily closed
Ray NorbutGriggsville, Illinois22.4 mi north
Robertsville State ParkRobertsville, Missouri25.2 mi southTemporarily closed
Don Robinson State ParkCedar Hill, Missouri27 mi south
Scott Joplin House State Historic SiteSt. Louis, Missouri29.1 mi east
Edward "Ted" and Pat Jones-Confluence Point State ParkWest Alton, Missouri32.3 mi east
Mastodon State Historic SiteImperial, Missouri33.2 mi southeast
Horseshoe Lake State Park (Madison County)Granite City, Illinois35.5 mi east
Frank Holten State ParkEast St. Louis, Illinois35.7 mi east
Sandy Creek Covered Bridge State Historic SiteHillsboro, Missouri36 mi south
Deutschheim State Historic SiteHermann, Missouri39 mi west
Gov. Daniel Dunklin's Grave State Historic SiteHerculaneum, Missouri39.5 mi southeast
Meramec State ParkSullivan, Missouri44.8 mi southwest
Graham Cave State ParkDanville, Missouri46.9 mi west
Washington State ParkDe Soto, Missouri48.4 mi south
Illinois Caverns State Natural AreaWaterloo, Illinois49.4 mi southeast
Beaver Dam State ParkPlainview, Illinois49.7 mi northeast
Lists are built automatically from official park data and update when parks change. Inclusion means the official source lists the feature; it is not a ranking.