Operating Hours & Seasons
Visitor Center Hours:
Monument grounds are open sunrise to sunset. The entrance road gate is closed only during severe winter storms. The upper road accessing the picnic area, Chicken Creek Nature Trail (previously Fossil Lake Trail), and scenic drive closes November 1st until the snow melts, usually by late May.
Camping is not available.
Did You Know?
Railroad workers played a major role in the discovery of fossils from the Green River Formation. In the late 1860's, Union Pacific workers uncovered the first major fossil fish beds (Lake Gosiute) near the town of Green River, Wyoming.