Agate Fossil Beds National Monument
| Agate Fossil Beds National Monument | |
|---|---|
| University and Carnegie Hills fossil beds | |
| Location | Sioux County, Nebraska, United States | 
| Nearest city | Harrison, NE | 
| Coordinates | 42°25′18″N 103°45′14″W / 42.421703°N 103.75388°W | 
| Area | 3,057.87 acres (12.3748 km2) | 
| Established | June 14, 1997 | 
| Visitors | 15,555 (in 2016) | 
| Governing body | National Park Service | 
| Website | Agate Fossil Beds National Monument | 
Agate Fossil Beds National Monument is a U.S. National Monument near Harrison, Nebraska. The main features of the monument are a valley of the Niobrara River and the fossils found on Carnegie Hill and University Hill.
The area largely consists of grass-covered plains. Plants on the site include prairie sandreed, blue grama, little bluestem and needle and thread grass, and the wildflowers lupin, spiderwort, western wallflower and sunflowers.