Park · WY, US
Sinks Canyon State Park
Sinks Canyon State Park, just south of Lander, Wyoming, is the state's first International Dark Sky Park (certified 2023). Popo Agie Campground takes reservations May to September and is first-come the rest of the year, and yurts can be booked year-round. Facilities run 6 a.m. to 10 p.m., and after 10 p.m. only campground guests may be on site.
Official site (opens in new tab) View on OpenStreetMap (opens in new tab) Source (opens in new tab)
| Type | Park |
| State / Province | WY |
| Country | United States |
| Nearest town | Lander |
| Certified | 2023 |
| Coordinates | 42.7576, -108.8459 |
| Source | https://darksky.org/places/sinks-canyon-state-park/ (opens in new tab) |
Plan Your Night
Tonight’s moon
New Moon
0% illuminated. Rises 6:39 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
- Leonids Meteor Shower Peak 2026, November 17, 2026
- Geminids Meteor Shower Peak 2026, December 13, 2026
- Ursids Meteor Shower Peak 2026, December 22, 2026
5 nearest dark sky places
- Teton County · 175 km (109 mi)
- Jackson Hole Airport · 180 km (112 mi)
- Dinosaur National Monument · 252 km (157 mi)
- Steinaker State Park · 255 km (159 mi)
- North Fork Park · 296 km (184 mi)