Open the rest of the year on the folllowing schedule:
Memorial Day to July 31: 8:00 a.m. to 9:00 p.m.
August 1 to Labor Day: 8:00 a.m. to 8:00 p.m.
September and October (Ends on daylight savings time): 8:00 a.m. to 6:00 p.m.
November through March: 8:00 a.m. to 4:30 p.m.
April - May: 8:00 a.m to 6:00 p.m.
Did You Know?
Fossil Butte National Monument preserves only 1% of the Fossil Lake deposits, the smallest of three ancient lakes that make up the famous Green River Formation.