• The Niobrara National Scenic river comes alive with color in the fall.

    Niobrara

    National Scenic River Nebraska

Geologic Formations

Cracked Cliffs

Cracked Cliffs

NPS photo

The cliffs along the Niobrara River reveal millions of years of the earth's history. For a description of this geological "layer cake", click to download a PDF of our geology bulletin.



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Did You Know?

Fog rises above the Niobrara River near Valentine, NE

The Niobrara River is the longest river in Nebraska (its total length is 535 miles and it begins in Wyoming). A segment of the middle Niobrara has been designated by Congress as a Wild and Scenic River. More...