IL

National Park Service sites in Illinois

Illinois has 8 National Park Service sites in the NPS data. In the Oct 28, 2026 snapshot, 2 of them had active alerts — 2 in total, including 1 closure — and together they list 0 NPS campgrounds.

Updated · NPS Data API

Sites in Illinois
ParkDesignationActive alertsClosuresCampgroundsEntrance fee
Emmett Till and Mamie Till-Mobley National MonumentNational Monument110Free
Lewis & Clark National Historic TrailNational Historic Trail000Free
Lincoln Home National Historic SiteNational Historic Site000Free
Mormon Pioneer National Historic TrailNational Historic Trail000Free
New Philadelphia National Historic SiteNational Historic Site000Free
Pullman National Historical ParkNational Historical Park100Free
Springfield 1908 Race Riot National MonumentNational Monument000Free
Trail Of Tears National Historic TrailNational Historic Trail000Free

Planning a trip in Illinois

8 of these sites have no entrance fee in NPS fee data. Open a park to see its fees and passes, hours, visitor centers, campgrounds and every current alert. Sites that cross state lines are listed in each state they touch.

Heading out? Check each park's alerts the morning you leave — closures for weather, fire and road work are often posted on short notice.

Other states and territories

AlabamaAlaskaAmerican SamoaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaGuamHawaiiIdahoIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaNorthern Mariana IslandsOhioOklahomaOregonPennsylvaniaPuerto RicoRhode IslandSouth CarolinaSouth DakotaTennesseeTexasU.S. Virgin IslandsUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming

Want the headline parks only? See the national parks list, or browse all NPS campgrounds.

Sources

  • National Park Service Data API — parks, alerts, fees and campgrounds, snapshot of Oct 28, 2026.
  • Data: National Park Service (NPS) Data API, U.S. Department of the Interior (developer.nps.gov). This product uses the NPS Data API but is not endorsed or certified by the National Park Service. The National Park Service and the U.S. Department of the Interior do not endorse OpenParks. Photos are NPS images shown with their original credits; park descriptions are short excerpts credited to the NPS. Always confirm current conditions on nps.gov before you travel.