• 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?

Hybrid aspen leaf

An unusual hybrid of aspen occurs in a few isolated canyons in the Niobrara River valley -- a remnant of the last ice age. Click "More" to visit the Niobrara National Scenic River "Plants" page. More...