• The Agate Fossil Hills where mammal fossils were excavated in the early 1900's

    Agate Fossil Beds

    National Monument Nebraska

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Wildlife


Did You Know?

The narrow Niobrara River at Agate Fossil Beds, with the yellow flag (iris) in bloom.

The Niobrara River flows through Agate Fossil Beds. Except for 50-60 miles in Wyoming, this river is exclusively in Nebraska. The river seems quite small to visitors, who are surprised to find out that the Niobrara National Scenic River downstream near Valentine is broad and popular with canoers. More...