Park · CO, US
Great Sand Dunes National Park and Preserve
mile) Great Sand Dunes National Park and Preserve contains the tallest sand dunes in North America and is located in south-central Colorado.
| Type | Park |
| State / Province | CO |
| Country | United States |
| Nearest town | Mosca |
| Certified | 2019 |
| Coordinates | 37.7912, -105.6123 |
| Source | https://darksky.org/places/great-sand-dunes-national-park-dark-sky-park/ |