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

    Agate Fossil Beds

    National Monument Nebraska

Operating Hours & Seasons

Ranger taking the flag down.

Ranger taking flag down for the day.

Visitor Center and Museum

Summer Hours

Daily from Memorial Day until Labor Day - 9:00 a.m. to 5:00 p.m.

Winter Hours

Daily from Labor Day until Memorial Day - 8:00 a.m. to 4:00 p.m.

Visitor Center Closings:

Thanksgiving Day, Christmas Day and New Year's Day

The trails are open year-round from dawn until dusk.

Did You Know?

Lakota families traveling from the Pine Ridge Reservation to visit at Agate Springs Ranch.

Lakota families traveled 150 miles by team and wagon to visit the Agate Springs Ranch. This trip took almost a week and they needed to carry a pass to leave the reservation where they lived. Many long time residents remember seeing the visiting American Indian dancers at the Agate Springs Ranch. More...