Lowell Observatory
Facts here come from Flagstaff's tourism office, not the observatory's own site (lowell.edu), so check it before you go. Winter Monday hours are disputed between two tourism pages.
A historic observatory on Mars Hill in Flagstaff with daytime programs and evening stargazing. Check its own site; tourism pages disagree on Monday hours.
Ways to visit
General Admission (daytime programs and stargazing) Open
Per Discover Flagstaff only. The two tourism pages disagree on whether the observatory opens on winter Mondays.
- What you see
- Exhibits, Groundsflagstaffarizona.org (agency or tourism page), 2026-11-05
- How
- Walk inflagstaffarizona.org (agency or tourism page), 2026-11-05
- When
- MonTueWedThuFriSatSunWinter hours (Labor Day to Memorial Day): Wednesday to Sunday noon to 10 p.m.; closed Tuesday. Monday is disputed: one page says closed, another says noon to 10 p.m. Summer hours (Memorial Day to Labor Day): Monday, Wednesday and Thursday noon to 10 p.m.; Friday to Sunday noon to 11 p.m.; closed Tuesday.flagstaffarizona.org (agency or tourism page), 2026-11-05 · flagstaffarizona.org (agency or tourism page), 2026-11-05
- Booking
- Not stated · onlineDiscover Flagstaff says to reserve tickets on Lowell's own site; whether a reservation is required is not stated.Book (lowell.edu) ↗flagstaffarizona.org (agency or tourism page), 2026-11-05
- Cost
- PaidNo ticket price is given; Discover Flagstaff sends visitors to lowell.edu. Lowell members get free general admission.flagstaffarizona.org (agency or tourism page), 2026-11-05
- Requirements
- None stated.
About
Lowell Observatory is a historic observatory on Mars Hill above downtown Flagstaff, Arizona, founded in 1894. According to Flagstaff's tourism office, one general admission ticket covers campus tours, exhibits and science demos, constellation tours, daily science talks and stargazing, and a separate reservation-only Premium Access session uses the 24-inch Dyer Telescope. Prices and the current hours are unconfirmed, so check the observatory's own website; in winter it is closed on Tuesdays, and two tourism pages disagree about Mondays.
Run by: Lowell Observatory.
Where official pages disagree
- General Admission (daytime programs and stargazing): days and hours: Winter Monday hours: the Discover Flagstaff directory listing says Monday is CLOSED; the Discover Flagstaff Insider's Guide says Wednesday to Monday noon to 10 p.m., closed Tuesday only. Both agree on Wednesday to Sunday noon to 10 p.m. and a Tuesday closure. Monday noon to 10 p.m. in winter is possible but unconfirmed: check with Lowell before you go. flagstaffarizona.org/directory/lowell-observatory/ · flagstaffarizona.org/pledge-wild/flg-ecotourism/ec…
Getting there
1400 W Mars Hill Rd, Flagstaff, AZ
The pin marks the site itself, not necessarily the entrance (35.20278, -111.66444). Apple Maps directions go to the street address instead. Show on our map · Google Maps · Apple Maps
Last checked 2026-11-05. Sources are listed below.
More on the official pages: lowell.edu/visit/plan-your-visit/, visitarizona.com/directory/lowell-observatory/, coconino.az.gov/Calendar.aspx. Check them before you go.
Sources
- flagstaffarizona.org/directory/lowell-observatory/ · official tourism or agency page · read 2026-11-05For: name; General Admission (daytime programs and stargazing): open or closed; General Admission (daytime programs and stargazing): what you see; General Admission (daytime programs and stargazing): kind of visit; General Admission (daytime programs and stargazing): days and hours; General Admission (daytime programs and stargazing): cost; General Admission (daytime programs and stargazing): requirements; Dyer Telescope Premium Access: open or closed; Dyer Telescope Premium Access: what you see; Dyer Telescope Premium Access: kind of visit; Dyer Telescope Premium Access: days and hours; Dyer Telescope Premium Access: cost; Dyer Telescope Premium Access: requirements
- wikidata.org/wiki/Special:EntityData/Q4668… · Wikidata · read 2026-11-05For: location
- flagstaffarizona.org/pledge-wild/flg-ecotourism/ec… · official tourism or agency page · read 2026-11-05For: street address; description; General Admission (daytime programs and stargazing): days and hours; General Admission (daytime programs and stargazing): booking; Dyer Telescope Premium Access: booking
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