Things to Do at Great Sand Dunes National Park The dunes are the park’s main attraction, so start there. Climb the sandy peaks and then strap on your rented sandboard (or sled) and slide back down.

Specifically Great Sand Dunes National Park and Preserve, home of the tallest dunes in North America. “We just had one of our scientists do some measurements, and Hidden Dune is the tallest dune ...

For thousands of years, the wind has deposited sand in huge mounds at the edge of the Sangre De Cristo Mountains to form the Great Dunes National Monument in southwestern Colorado. The site of the ...