CO / Rockies
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. Operating-hours data available from NPS. Entrance-fee data available from NPS.
Forecast
Chance Showers And Thunderstorms
Coverage: available
Air quality
AQI 33
Coverage: available
Sunrise / sunset
5:54 AM MDT / 8:22 PM MDT
867 daylight minutes
Major alerts
5
Important alerts active
Recommendation workspace
Recommendation planner
Choose a park and preferences to start.
Park map layers
Loading mapped features...
Facilities and recreation
activity
8 official or mapped records in local data
campground
3 official or mapped records in local data
event
5 official or mapped records in local data
place
8 official or mapped records in local data
visitor-center
2 official or mapped records in local data
Sources and freshness
Official: NPS park profile, alerts, links, and cached feature records.
Community-mapped: OpenStreetMap features and amenities where available.
Application-derived: Scoring, daylight, freshness, data coverage, and condition labels.
AI explanation: Grounded language over selected facts only.
Official links
