Agate Fossil Beds National Monument

Agate Fossil Beds National Monument
University and Carnegie Hills fossil beds
LocationSioux County, Nebraska, United States
Nearest cityHarrison, NE
Coordinates42°25′18″N 103°45′14″W / 42.421703°N 103.75388°W / 42.421703; -103.75388
Area3,057.87 acres (12.3748 km2)
EstablishedJune 14, 1997
Visitors15,555 (in 2016)
Governing bodyNational Park Service
WebsiteAgate 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.