National Historical Park
George Rogers Clark
Best primary window for George Rogers Clark: September, with June and October as strong shoulder months.
State Hub
National Park Sites in Indiana
Indiana has 1 national park on the official list of 63 (as of Oct 19, 2026) and 3 other National Park Service sites. National parks: Indiana Dunes National Park. The other sites include 1 national historic trail, 1 national historical park, and 1 national memorial.
1National parks
4NPS sites
This state hub exists to compare National Park Service places in Indiana by available source and seasonal signals.
National parks in Indiana
Featured Places
Explore top destinations across the state.
National Park
Indiana Dunes
Best primary window for Indiana Dunes: September, with June and October as strong shoulder months.
National Historic Trail
Lewis & Clark
Best primary window for Lewis & Clark: July, with August and September as strong shoulder months.
National Memorial
Lincoln Boyhood
Best primary window for Lincoln Boyhood: September, with June and October as strong shoulder months.
All Places
Compare available seasonal planning briefs and source status for NPS places in this state.
National Historical Park
George Rogers Clark
Best primary window for George Rogers Clark: September, with June and October as strong shoulder months.
National Park
Indiana Dunes
Best primary window for Indiana Dunes: September, with June and October as strong shoulder months.
National Historic Trail
Lewis & Clark
Best primary window for Lewis & Clark: July, with August and September as strong shoulder months.
National Memorial
Lincoln Boyhood
Best primary window for Lincoln Boyhood: September, with June and October as strong shoulder months.
NPS designations in Indiana
States in the Great Lakes region
Browse all state hubs or every NPS place.