Operating Hours & Seasons
Great Sand Dunes National Park and Preserve is open 24 hours a day, 7 days a week, year round.
The Visitor Center is open every day of the year except federal winter holidays. Hours are generally open 8:30-6:00 daily in summer months, and 9:00-4:30 fall through spring. Call the Visitor Center at 719-378-6395 for exact hours during the time of your visit.