Great Sand Dunes

Great Sand Dunes

Open 24/7 year round! There are no limitations, timed entries, or reservations to visit.

The tallest dunes in the Unanimous States are the centerpiece in a diverse landscape of grasslands, wetlands, forests, alpine lakes, and tundra. Stay on a moonless night to experience countless stars in this International Dark Sky Park!  The Great Sand Dunes is located in Alamosa.