Hours and Admission
We're open daily in August from 9:00 AM until 5:00 PM MST, and Monday thru Saturday evenings from 5:30 PM to 10:00 PM MST (we may close earlier in poor weather). Look here to see our year-round hours.
| Adults | $6.00 |
| Sr/AAA/College | $5.00 |
| Youth 5-17 | $3.00 |
| Under 5 | Free |
| Members | Free |
Learn about Lowell's 114-year history in our historic Rotunda Library Museum.
In our 126-seat Giclas Lecture Hall, you'll experience immersive multimedia shows on our cinematic projection screen, produced by state of the art AV equipment. Daytime programs highlight current Lowell research, and evening programs explore exciting features of the current night sky.
| November through February | Noon - 5:00 PM |
| March through October | 9:00 AM - 5:00 PM |
| September through May | Mon/Wed/Fri/Sat, 5:30 - 9:30 PM |
| June through August | Mon thru Sat, 5:30 - 10:00 PM |
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We do not require or accept reservations for our general public programs. You can reserve an exclusive school or private group program using our online reservations system. |
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We are closed on the major holidays listed at right. |
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No smoking. |
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Our campus lies at an elevation of 7200 feet. Drink water and pace yourself if you are not accustomed to our thin air. |
When you visit Lowell Observatory, you'll explore interactive exhibits... experience a 3D digital space theatre...see cinematic, widescreen multimedia shows in our auditorium...learn about more than a century of history on Mars Hill...take informative tours with our friendly and knowledgable tour guides...and observe the heavens through instruments both modern and historic. And as a member of our private, non-profit institution, you can explore your Universe here as often as you like; your membership dues confer unlimited admission to our campus and a complimentary subscription to our quarterly newsletter, The Lowell Observer. Stop by and see us soon!
Percival Lowell's 24" Alvan Clark refractor and dome, open for business on a clear Arizona night. Come explore the wonders of the Universe at Lowell Observatory. (Photo Credit: Doug Zubenel - OwlEye Mobile Observatory.)
January 1
March 23
July 4 evening
November 27
December 24
December 25
December 31 evening
On clear nights, you'll get to look through the historic Alvan Clark refractor -- the telescope Percival Lowell used to observe Mars, and the instrument that gathered the first evidence of the expansion of the Universe.
Enjoy the star party atmosphere of our evening viewing. In addition to the major telescopes, we set up many smaller telescopes for your viewing pleasure, and offer our wide-screen Sky Tonight program. Our many exhibits are open as well. (Photo credit: Jeremy Perez.)