• VISIT THE OBSERVATORY

    Look through both advanced and historic telescopes, see science demos, explore exhibits, and more.

  • Upcoming Solar Eclipses

    October 14, 2023 and April 8, 2024

  • EXPLORE OUR HISTORY

    With over 125 years of astronomical discovery, Lowell Observatory has an incredible history you can experience for yourself.

  • LEARN ABOUT OUR RESEARCH

    See what Lowell is adding to our understanding of the Universe.

  • BECOME A MEMBER

    Gain unlimited General Admission, get store discounts, and support our research and mission.

  • Listen To Star Stuff

    Listen in on casual conversations with scientists about the weirdest and most fascinating parts of our world!

Location

1400 West Mars Hill Rd

Flagstaff AZ, 86001

Hours

See Hours

Weather

Plan Your Visit

See what fun adventures await during your visit.

Get Your Tickets

General Admission

General Admission

General Admission gives you all-day access to 127 years of astronomical discovery at Lowell Observatory.

General Admission
Premium Access

Premium Access

Designed for small groups of 10 individuals, these private personalized expeditions across the stars offer exclusive opportunities to view the cosmos.

Premium Access
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Lowell Discovery Telescope Experience

This exclusive guided experience is an unforgettable behind-the-scenes look at the 4.3-meter Lowell Discovery Telescope, the 5th-largest optical telescope in the continental United States.

Tickets include general admission to our Mars Hill campus in Flagstaff.

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Astrophotography Course

Take the first step in your astrophotography journey with an intensive course at Lowell Observatory!

This 2-hour program accommodates a maximum of 10 guests. Using our 17-inch Planewave CDK Telescope and QSI 683 CCD camera, you will be taken through the process of imaging two different objects. Then, we will teach you how to combine, stack, and edit the shots into full-color images using a program called Pixinsight.

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Areas of Research

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Solar System

Planetary scientists continue a long tradition of studying bodies in the solar system, including the Sun, planets, moons, comets, meteors, asteroids, and Kuiper belt objects.

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Stellar Astrophysics

Another longstanding tradition at Lowell is the study of stars, from supermassive Wolf-Rayet stars to low-mass M-dwarf varieties.

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Exoplanetary Systems

Lowell astronomers search for distant worlds around other stars and characterize their nature.

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Galactic & Extragalactic Astronomy

V. M. Slipher’s observations of the redshifts of galaxies a century ago were the first evidence for the expansion of the universe. Research on structures of galaxies and of the universe continues at Lowell today.

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Cultural Astronomy

Researchers not only study how the universe works, but also how humans perceive it and integrate these interpretations into culture.

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Instrumentation Research & Development

Our instrumentation team carries out a variety of work in support of research instrumentation, outreach telescopes, and historic preservation projects.

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Lowell Observatory is an independent, non-profit research institution founded in 1894 by mathematician and astronomer Percival Lowell. Today, our mission is to pursue the study of astronomy, conduct research, and bring astronomical education to the public.

June 3 @ 7:00 pm

Meet An Astronomer

June 5 @ 6:00 pm

Starry Nights: A Free Family Summer Club

Off-Site Event

June 10 @ 4:00 pm

Lowell Observatory at Movies on the Square

June 10 @ 7:00 pm

Meet An Astronomer

June 11 @ 6:00 pm

I Want To Believe: Returning to an Age of Reason with Dean Regas

June 17 @ 11:00 am

Zoom Q&A

June 17 @ 7:00 pm

Meet An Astronomer

Off-Site Event

June 24 @ 4:00 pm

Lowell Observatory at Movies on the Square

June 24 @ 7:00 pm

Meet An Astronomer

July 1 @ 7:00 pm

Meet An Astronomer

Off-Site Event

July 8 @ 4:00 pm

Lowell Observatory at Movies on the Square

July 8 @ 7:00 pm

Meet An Astronomer

When you donate to Lowell, you join our mission to educate, inspire, and awe.

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