• Closing at 6:30pm, Apr 18 due to weather

    For your safety, please do not drive up Mars Hill road due to hazardous driving conditions.

  • Now Open!

    Visit the Marley Foundation Astronomy Discovery Center

  • Gift a Membership

    Give the gift of a ticket to the Universe

Location

1400 West Mars Hill Rd

Flagstaff AZ, 86001

Hours

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Plan Your Visit

See what fun adventures await during your visit.

Visit

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General Admission

Your experience includes the Orbits Curiosity Zone children’s interactive exhibit, the Astronomy Gallery Stardust Lab, the Giovale Open Deck Observatory with 6 advanced state-of-the-art telescopes, historical tours, historical exhibits, Pluto Discovery Dome, and famous Clark Telescope.

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General Admission Plus

Get the most out of your visit to Lowell with General Admission Plus! In addition to all the perks of a regular General Admission ticket, this plus-up option includes admission to the Dark Sky Planetarium and early access to the Universe Theater for live shows.*

*Please note that reservations for Dark Sky Planetarium and Universe Theater shows must be made at the front desk.

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Additional Experiences

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Private Group Stargazing

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

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Book a Course

Astrophotography Course

Take the first step in your astrophotography journey with an intensive course at Lowell Observatory! At the end of the course, you’ll take home digital copies of the two images and all of the raw data to use as you like, as well as additional resources to aid you in your astrophotography journey!

Book a Course
Book a Tour

LDT Excursion

Learn the ins and outs of what it takes to maintain and operate a powerful 4.3-meter telescope, as well as how we use it to make groundbreaking discoveries about our universe. With a mirror larger than 14 feet across, this massive telescope itself is a sight to behold!

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Areas of Research

Our Look into the Solar System

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.

Our Look into the Solar System
How We Study the Stars

Stellar Astrophysics

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

How We Study the Stars
What Else is Out There?

Exoplanetary Systems

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

What Else is Out There?
Learning About Our Neighbors

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.

Learning About Our Neighbors
The Tools of Astronomy

Instrumentation Research & Development

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

The Tools of Astronomy

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.

On-Site Event

April 19 @ 7:00 pm

Meet an Astronomer

Member EventOn-Site Event

April 21 @ 10:00 pm

Member Meteor Madness

Virtual Event

April 22 @ 7:00 pm

Saving the Night | Protecting Dark Skies in Our National Parks

On-Site Event

April 25 @ 5:00 pm

The Fates of Planetary Systems | Dr. Taylor Kutra

On-Site Event

May 9 @ 5:00 pm

Exploring Titan: Lakes, Seas and Clouds of Methane | Dr. Jennifer Hanley

On-Site Event

May 17 @ 7:00 pm

Meet an Astronomer

On-Site Event

May 24 @ 7:00 pm

Meet an Astronomer

On-Site Event

June 21 @ 7:00 pm

Meet an Astronomer

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

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