Indiana Dunes
Fifteen miles of Lake Michigan beaches and towering dunes, an hour from Chicago.
1 national park in Indiana
Indiana's National Park
Indiana is home to Indiana Dunes National Park. Fifteen miles of Lake Michigan beaches and towering dunes, an hour from Chicago.
The best time to visit Indiana Dunes National Park is July–September. For great conditions with fewer people, aim for September. It's busiest in June through August.
About the park
Nearby parks in other states
Gateway Arch
Missouri · Best Mar–May, Sep–Nov
Cuyahoga Valley
Ohio · Best May–Jun, Sep–Oct
Mammoth Cave
Kentucky · Best Mar–May, Oct–Nov
New River Gorge
West Virginia · Best May–Oct
Questions
How many national parks are in Indiana?
Indiana has 1 national park: Indiana Dunes National Park.
When is the best time to visit national parks in Indiana?
The best time to visit Indiana Dunes National Park is July–September. For great conditions with fewer people, aim for September. It's busiest in June through August.
Last reviewed October 4, 2026. Ratings are editorial. Rules and road openings change each year, so confirm on the official NPS site before you go.