Qualla: Indiana Dunes

Indiana Dunes: Introduction

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit Lori McCallister, CC BY 2.0. Indiana Dunes is where ecology was born. In 1899, botanist Henry Cowles came to these Lake Michigan dunes to study how plant communities change over time - what he called 'ecological succession.' His research, showing how bare sand gradually becomes forest through predictable stages, founded a scientific discipline. The dunes he studied should have been destroyed a century ago. Steel mills built blast furnaces within sight of the beaches. Chicago sprawl pressed from the west. Power plants, ports, and industrial waste surrounded the remaining natural areas. Yet the dunes survived, protected by activists who fought for a century to preserve fragments of the original landscape. Indiana Dunes National Park, America's newest national park (designated 2019), preserves 15,000 acres of dunes, wetlands, and forests - an ecological laboratory squeezed between smokestacks and suburbs.

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Image: Lori McCallister | CC BY 2.0

Indiana Dunes: The Science

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit Raymon Sutedjo-The, CC BY-SA 3.0. Henry Cowles arrived at the Indiana Dunes as a University of Chicago graduate student in the 1890s. The dunes offered a perfect laboratory: sand deposited by glacial lakes created surfaces of different ages, from newly formed foredunes to ancient back dunes. Cowles documented how...

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Image: Raymon Sutedjo-The | CC BY-SA 3.0

Indiana Dunes: The Threat

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit PitcherPlanter765567, CC BY-SA 3.0. Industrial development hit the southern Lake Michigan shore hard. U.S. Steel built its Gary Works in 1906, creating an entire city on former duneland. Additional steel mills, refineries, and power plants followed. The Port of Indiana-Burns Harbor carved into the dunes. By the mid...

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Image: PitcherPlanter765567 | CC BY-SA 3.0

Indiana Dunes: The Battle

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit Dixi, CC BY-SA 3.0. Save the Dunes began in the 1950s, when Chicago activists organized to preserve what remained. The fight lasted decades. Senator Paul Douglas of Illinois championed the cause in Congress. Conservationists battled industrialists, developers, and often local residents who wanted jo...

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Image: Dixi | CC BY-SA 3.0

Indiana Dunes: The Park

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit Han Zheng, CC BY-SA 2.0. In 2019, Indiana Dunes was redesignated as America's 61st national park. The name change acknowledged what had been true for decades: this small, fragmented park held extraordinary biodiversity. The combination of northern and southern species, lake effect climate, and varied hab...

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Image: Han Zheng | CC BY-SA 2.0

Indiana Dunes: Visiting Indiana Dunes

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit Chris Light at English Wikipedia, CC BY-SA 3.0. Indiana Dunes National Park stretches along 15 miles of Lake Michigan shoreline in northwestern Indiana, about 50 miles southeast of Chicago. Multiple beach access points offer swimming in summer; West Beach and Porter Beach are most developed. Hiking trails explore dunes, forest...

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Image: Chris Light at English Wikipedia | CC BY-SA 3.0