Great Sand Dunes National Park & Preserve (U.S. National Park Service)

Great Sand Dunes National Park & Preserve • Colorado

Grasslands, large dunes, and snow-capped peaks at sunset

Elk, Grasslands, Dunes, and Sangre de Cristo Mountains

Lower Sand Creek Lake, Great Sand Dunes National Preserve

Upper Sand Creek Basin, Great Sand Dunes National Preserve

Fall Colors Along Mosca Creek, Great Sand Dunes National Park

Gold cottonwood trees, large dunes, a silver cloud, and snow-capped mountain

The tallest dunes in North America 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! Open 24 hours a day, 7 days a week year-round. There are no timed entries or reservations to visit.

Orange light on Sand dunes with Snow capped peaks in background, with grasses in foreground

Check here first for any alerts on closures, roads, weather, and other current conditions affecting your visit to Great Sand Dunes

A girl floats on a tube on a wave of Medano Creek in front of dunes and a mountain

Current and forecast flow of Medano Creek

Teen girl and boy sliding down a dune on a sand sled

Sand sledding, Medano Creek beach play, experiencing the night, forest hiking, climbing to alpine lakes and peaks, and more...

A woman relaxes at a campsite surrounded by trees, dunes and mountain

Where to eat and stay the night in and around Great Sand Dunes

Things to do, suggested itineraries, and what weather to expect

A brown steal bear box with yellow sticker on door in campground

Find out about food storage, drone use, pets, special use permits for events, and other information

Last updated: May 26, 2026

Contact Info

Mailing Address:

Visitor Center
11999 State Highway 150
Mosca, CO 81146

Phone:

(719) 378-6395
General Park and Preserve information: (719) 378-6395 Emergencies (Police, Fire, Medical): Dial 911. Non-emergencies (Police, Fire, Medical): call (719) 589-5807