Park · AZ, US
Organ Pipe Cactus National Monument
Organ Pipe Cactus National Monument, a Sonoran Desert park near Ajo, Arizona, was certified an International Dark Sky Park in 2026. The monument offers developed, primitive and backcountry camping, and ranger programs run through the winter months. Its website does not list hours or night sky events, so call 520-387-6849 for current details.
Official site (opens in new tab) View on OpenStreetMap (opens in new tab) Source (opens in new tab)
| Type | Park |
| State / Province | AZ |
| Country | United States |
| Nearest town | Ajo |
| Certified | 2026 |
| Coordinates | 32.0280, -112.8346 |
| Source | https://darksky.org/places/organ-pipe-cactus-national-monument/ (opens in new tab) |
Plan Your Night
Tonight’s moon
New Moon
0% illuminated. Rises 6:30 AM MST. Sets 5:08 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
- Saguaro National Park · 159 km (99 mi)
- Tubac, Arizona · 170 km (106 mi)
- Tumacácori National Historical Park · 176 km (110 mi)
- Apache Junction Municipal Complex · 197 km (122 mi)
- Oracle State Park · 204 km (127 mi)