Current NPS alerts (5)
Creek Crossings on Medano Pass Primitive Road Have Deep and Swift Water
The park weather station measured 1.5 inches of rain overnight on 10/23/2026. Medano Creek is currently flowing at 28 cubic feet per second. These conditions have resulted in many of the 9 creek crossings on this 4WD only road to have swift moving water that is 3 or more feet deep on some of these crossings. Extreme caution is advised. NOTE this does not affect access to the Main Dunes Parking or Pinon Flats Campground, or Visitor Center areas of the park.
Great Sand Dunes Currently at Stage 1 Fire Restrictions
As of August 18th, Great Sand Dunes is under Stage 1 Fire Restrictions. All wood and charcoal fires must be in established fire rings in designated campsites or picnic sites. No other open fires are allowed. Fires MUST BE put out COLD before leaving your site and must not be left unattended. camp stoves and other pressurized gas devices allowed.
Speed Limits are Much Lower Inside Park than Surrounding Highways
Speed limits for the park include 30 MPH near the park boundary and Great Sand Dunes Sign, and as low as 10 MPH near the Headquarters and Entrance Station. Speed limits are in place to protect park visitors, pedestrians, and wildlife in the park. Please drive carefully and responsibly.
Sand Board and Sand Sled Rentals Not Available In Park.
Sand boarding and sand sled rentals are located in local communities surrounding the park. Visitors are encouraged to arrange rentals BEFORE coming to the park.
Piñon Flats Campground, sites can be reserved 3 months in advance for 2026
Due to the need for improvements in Piñon Flats Campground, sites can be reserved 3 months in advance beginning in 2026.
Weather alerts (National Weather Service)
No active NWS watches, warnings or advisories for the forecast zone and county at the park's central point.
About this site
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.
- Type
- National Park & Preserve
- State
- Colorado
- Address
- Visitor Center, 11999 State Highway 150, Mosca, CO 81146