Park · CO, US

Great Sand Dunes National Park and Preserve

Great Sand Dunes National Park and Preserve in Colorado is an International Dark Sky Park, certified in 2019. The park is open 24 hours every day, and no reservations or timed-entry passes are required. Its page suggests staying on a moonless night for the best star views.

Official site (opens in new tab) View on OpenStreetMap (opens in new tab) Source (opens in new tab)

TypePark
State / ProvinceCO
CountryUnited States
Nearest townMosca
Certified2019
Coordinates37.7912, -105.6123
Sourcehttps://darksky.org/places/great-sand-dunes-national-park-dark-sky-park/ (opens in new tab)

Plan Your Night

Tonight’s moon
New Moon

1% illuminated. Rises 6:12 AM MST. Sets 4:24 PM MST. Times are local to the park.

Next new moon
November 9, 2026

The darkest, best-for-stargazing night in the current lunar cycle. See the full trip planner for the next 12 months of new-moon windows.

Upcoming meteor showers

5 nearest dark sky places