Updated October 2026
Best Time to Visit Indiana State Parks & National Parks
Indiana has 3 National Park Service units that report visitation. Below, each is ranked by annual visits, with the month our data recommends for the best balance of light crowds, comfortable weather and daylight. Crowds peak in summer almost everywhere — the recommended months show where the quieter shoulder seasons fall.
The 19 Indiana state parks are listed in their own section below the national park table. Crowd levels are shown for national park units only; for state parks the best month reflects weather and daylight.
Indiana parks on the map
Click a marker for the park page, or use Where to stay in the table.
Ways to pick a Indiana park
Quietest months
- Lincoln Boyhood — January
- George Rogers Clark — January
- Indiana Dunes — January
Most-visited
- Indiana Dunes — 2,629,497 visits
- Lincoln Boyhood — 115,517 visits
- George Rogers Clark — 113,397 visits
| Park | Annual visits | Best time | Busiest | Quietest | Stays |
|---|---|---|---|---|---|
| Indiana DunesNational Park | 2,629,497 | October | Jul | Jan | Where to stay → |
| Lincoln BoyhoodNational Memorial | 115,517 | October | Jul | Jan | Where to stay → |
| George Rogers ClarkNational Historical Park | 113,397 | October | May | Jan | Where to stay → |
Indiana State Parks
19 state parks, with the month that usually brings the most comfortable weather and the longest days, where a nearby weather record exists.
- Brown County State ParkUsually best in September · about 13,000 acresOfficial park page
- Chain O' Lakes State ParkUsually best in June · about 2,200 acresOfficial park page
- Charlestown State ParkUsually best in May · about 3,700 acresOfficial park page
- Clifty Falls State ParkUsually best in September · about 1,200 acresOfficial park page
- Harmonie State ParkUsually best in September · about 2,900 acresOfficial park page
- Indiana Dunes State ParkUsually best in June · about 560 acresOfficial park page
- Lincoln State ParkUsually best in MayOfficial park page
- McCormick's Creek State ParkUsually best in September · about 1,500 acresOfficial park page
- Mounds State ParkUsually best in September · about 290 acresOfficial park page
- O'Bannon Woods State ParkUsually best in September · about 1,800 acresOfficial park page
- Ouabache State ParkUsually best in June · about 1,100 acresOfficial park page
- Potato Creek State ParkUsually best in June · about 3,600 acresOfficial park page
- Shades State ParkUsually best in June · about 1,800 acresOfficial park page
- Shakamak State ParkUsually best in September · about 27 acresOfficial park page
- Spring Mill State ParkUsually best in September · about 680 acresOfficial park page
- Summit Lake State ParkUsually best in June · about 2,600 acresOfficial park page
- Tippecanoe River State ParkUsually best in June · about 2,500 acresOfficial park page
- Turkey Run State ParkUsually best in June · about 870 acresOfficial park page
- Versailles State ParkUsually best in June · about 5,500 acresOfficial park page
State park listings come from the Indiana state park agency. Boundaries and acreage come from the USGS Protected Areas Database. Best-month estimates use NOAA 1991-2020 climate normals and computed daylight.
Indiana park crowd calendar (3 parks, all 12 months)
Download the full best-months table for all 3 of Indiana's national parks — each park's month-by-month crowd index (1.0 = its average month), busiest and quietest months, and Best-Time-to-Visit score. Built from NPS visitation data. Enter your email to download. No spam, unsubscribe anytime.
Where to stay near Indiana's national parks
Find hotels, cabins and vacation rentals across Indiana to base your national-park trip — live availability and prices.
Top-rated places to stay near Indiana national parks
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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