Stargazing at Sunset Crater Volcano National Monument
Cinder cone under Flagstaff's IDA-protected dark-sky city.
Updated:
· Tonight: Friday, August 14, 2026
📍 Flagstaff, AZ🌑 Bortle 3🚗 Fly into Phoenix, then drive about 3 hours north to Flagstaff, then 12 miles further via US-89 and the Sunset Crater–Wupatki Loop Road.📅 International Dark Sky Park since 2016 (Flagstaff Area National Monuments).
About Sunset Crater
Sunset Crater is one of three Flagstaff-area national monuments (with Wupatki and Walnut Canyon) that share an International Dark Sky Park designation. The Lava Flow Trail Amphitheater is a designated spot for taking in both the volcano and the stars above it.
What you can see in the sky
Milky Way over the black lava flows and the youngest volcano in the San Francisco Volcanic Field.
Best time of year
New moon nights; the park occasionally runs seasonal summer night-sky events.
Why this site is worth the drive
Part of the Flagstaff Area National Monuments' shared International Dark Sky Park designation
Lava Flow Trail Amphitheater is a marked, accessible viewing spot
Combine with a daytime hike across the 900-year-old lava flow
Practical tips for Sunset Crater
Check the current season's night-sky event schedule before driving out after dark
The visitor center closes in the evening — plan for self-guided viewing outside those hours
Live 48-hour forecast
Tonight's verdict above is a build-time snapshot. For the full
hourly view — cloud cover, transparency, seeing, smoke, humidity,
moon altitude and a Bortle-aware tonight score by observing mode
(visual, deep-sky, planetary, astrophoto) — open the live forecast:
The live page combines Open-Meteo weather, US-AQI wildfire smoke,
moon math and Bortle-scale darkness into a single tonight score
(0–100), updated continuously.
Frequently asked questions
Is Sunset Crater good for stargazing tonight?
Tonight's verdict is Excellent (High confidence). 8h of clear sky (≤30% cloud) during tonight's astronomical night, mean cloud 19%.
When is the best time of year to stargaze at Sunset Crater?
New moon nights; the park occasionally runs seasonal summer night-sky events.
How long is the drive from Toronto?
Fly into Phoenix, then drive about 3 hours north to Flagstaff, then 12 miles further via US-89 and the Sunset Crater–Wupatki Loop Road.
What can I see in the sky here?
Milky Way over the black lava flows and the youngest volcano in the San Francisco Volcanic Field.
How dark is the sky? (Bortle scale)
Sunset Crater sits at Bortle class 3 on the 1–9 dark-sky scale, where 1 is a pristine wilderness sky and 9 is an inner-city sky.