Lowell Observatory

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1400 W Mars Hill Rd
Flagstaff, AZ 86001
+1 (928) 774-3358
https://lowell.edu
Lowell Observatory, located in Flagstaff, Ariz., is a privately owned astronomical research institution. The observatory was founded in 1894 by Percival Lowell, a Boston mathematician. Best known for the discovery of Pluto, Lowell Observatory is also where astronomer V.M. Slipher gathered the first evidence that the universe is expanding. Each year, more than 70,000 people visit the observatory to learn about astronomy by participating in multimedia programs, private and school programs, special events, and other educational activities. The observatory features a regular program of telescope viewing. Lowell Observatory s library has a wide collection of biographies and bibliographies, historical logbooks, manuscripts, working paper, research contracts and historical photographs.

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Reviews

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4.0276 reviews
Photo of Ericka S.
Ericka S.
7/5/2025

I absolutely loved this and was so glad we came! We were in town for a few days and this was on my list of must-do activities. We bought our tickets online and included the 9:30 planetarium show,...

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Jason C.
5/24/2025

Simply fantastic! My friend and I were feeling low energy but felt much more invigorated once we started to wander around. The exhibits are cool, and the campus is comfortably sprawling. Be sure...

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Photo of Luna H.
Luna H.
5/9/2025

This was a fun place to stop & explore with my family. The first activity room is perfect for families with younger children, there are so many easy hands on activities for kids to do. Even adults...

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sandy b.
7/9/2025

This is my 3rd visit. I loved the art installation in the lobby- William & Susan Ahearn. I added more photos. Lots to learn and appreciate. So glad I returned.

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Photo of Kat J.
Kat J.
3/23/2025

We came to Flagstaff for spring break to relax with the family and take in the sites. My party had people from 13 to late '60s in it and everybody enjoyed The observatory the most. Luckily, it...

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