Arizona Places

United States Naval Observatory Flagstaff Station

The United States Naval Observatory Flagstaff Station (NOFS), is an astronomical observatory near Flagstaff, Arizona, US. It is the national dark-sky observing facility under the United States Naval Observatory (USNO). NOFS and USNO combine as the Celestial Reference Frame manager for the U.S.

Facts and sources

Place

Category
Observatory
Destination
Flagstaff
County
Coconino County
State
Arizona

Visitation

Annual visits
Not published

Ranking

Overall score
40.0 / 100
Visitation score
No published count
Popularity score
25.5
Significance score
52.0
Confidence
medium

Visiting

Official website
nofs.navy.mil
Coordinates
35.1841, -111.7407
Last verified
2026-08-12

Where it is

United States Naval Observatory Flagstaff Station is a observatory near Flagstaff, in Coconino County. It is one of the observatories in this database, and appears in the statewide ranking of Arizona attractions.

How this ranking was reached

This place scores 40.0 out of 100, at medium confidence. No official visitor count is published for it, so the score rests on public interest and tourism significance, and is capped below the level a measured attraction can reach. The weighting is explained in full on the methodology page.

Note on the data: No official visitor count is published for this attraction.

Sources

Record last verified 2026-08-12.

Nearby attractions