Sanctuary · MT, US
Medicine Rocks State Park
They host dark sky events including star parties that incorporate discussions about light pollution and its effects on dark sky quality, animal and human life.
| Type | Sanctuary |
| State / Province | MT |
| Country | United States |
| Nearest town | Ekalaka |
| Certified | 2020 |
| Coordinates | 46.0444, -104.4713 |
| Source | https://darksky.org/places/medicine-rocks-state-park-dark-sky-sanctuary/ |