• The setting sun over the Flint Hills casts shadows across the wide expanse of tallgrass prairie.

    Tallgrass Prairie

    National Preserve Kansas

There are park alerts in effect.
show Alerts »

  • Our Address Has Changed

    Our new mailing address is: Tallgrass Prairie National Preserve 2480 B Ks Hwy 177 Strong City, KS 66869

Photos & Multimedia

Virtual Tour of Historic Buildings

Cell Phone Tour

Did You Know?

Aerial photo of the Flint Hills at Tallgrass Prairie National Preserve

Kansas was once the bed of a vast inland sea. The unique, stairstep landscape of the Flint Hills was formed through a process of differential erosion. Erosion washed away the soft shale layers and left the tougher layers of limestone and flint to form the hilltops and prominent benches.