Coverage · 436 NPS places tracked 86 source-reviewed briefsPlanning · Seasonal windows modeled and labeledOperations · Official alerts verify at nps.govSource-reviewed · Place briefs with dated source cardsCatalog · Preview pages identity snapshot onlyListening · Procedural cues never field recordings
TOP REGIONS
PACPNW
Pacific Northwest
OlympicMount RainierCrater Lake
RKYMTN
Rocky Mountain
YellowstoneGlacierGrand Teton
DSWSW
Desert Southwest
Grand CanyonZionArches
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Place IndexEvery tracked NPS place
Browse the place catalogOpen a seasonal timing page
Regional HubsPlaces grouped by region
Regional place listsSeasonal planning pages
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State-by-state place lists
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Parks, monuments, trails
State Hub

National Park Sites in Illinois

Illinois has no national parks on the official list of 63 (as of Oct 19, 2026). It has 6 National Park Service sites. They include 3 national historic trails, 1 national historic site, 1 national historical park, and 1 national monument (Emmett Till and Mamie Till-Mobley National Monument).
0National parks
6NPS sites

This state hub exists to compare National Park Service places in Illinois by available source and seasonal signals.

All Places

Compare available seasonal planning briefs and source status for NPS places in this state.

National Historical Park

Pullman

Best primary window for Pullman: September, with June and October as strong shoulder months.

Open previewBest time to visit Pullman

Best windows: September, June, October

NPS designations in Illinois

Designation hubs with the number of sites in this state.

States in the Great Lakes region

Browse all state hubs or every NPS place.