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The Pilots Desk
Closed

Square Top Airport

ICAO US-5640🇺🇸 Boulder
Coordinates
42.5435°N, 109.6189°W
Elevation
7,370 ft (2,246 m)
Type
Closed
Region
US-WY

Daylight today(Sep 7, 2026, local time)

Civil dawn
12:22
Sunrise
12:51
Sunset
01:44
Civil dusk
02:13

About 12h 54m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Square Top Airport

Square Top Airport is a closed in Boulder, United States. It sits at an elevation of 7,370 ft (2,246 m).

Summary generated from this airport’s structured data — reference only.

Live traffic nearby

Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.

Loading live traffic…

Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (0)

No runway data recorded for this airport.

Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

Where is Square Top Airport located?

Square Top Airport is closed located in Boulder, United States, at an elevation of 7,370 ft (2,246 m).

Is the information on this page suitable for flight planning?

No. Square Top Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.