The monument is open 24 hours per day, all year, but some roads and facilities are closed during the winter months.There are no dinosaur fossils visible on the Colorado side of the monument. If you want to see Dinosaur Fossils, you must visit the Utah side of the monument near Jensen, Utah. Because Dinosaur's biggest collection of dinosaur fossils are protected within a secure structure known as the Quarry Exhibit Hall, visits are only allowed during certain hours.
See dates and hours of operation for monument visitor centers below. Transitions from peak to off season hours depend on staffing levels and weather - call with questions.