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The Pilots Desk
Small airport

West Mountain Airport

ICAO 3ID9🇺🇸 Cascade
Coordinates
44.5342°N, 116.1124°W
Elevation
4,842 ft (1,476 m)
Type
Small airport
Country
🇺🇸 United States
Region
US-ID
Time zone
Boise(UTC-06:00)
Magnetic variation
12.8° E

Daylight today(Jul 14, 2026, local time)

Civil dawn
05:38
Sunrise
06:13
Sunset
21:28
Civil dusk
22:04

About 15h 15m 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 West Mountain Airport

West Mountain Airport is a small airport in Cascade, United States. It sits at an elevation of 4,842 ft (1,476 m) and has 1 runway, the longest 2,400 ft / 732 m. It observes America/Boise local time. The nearest airport is Cascade Airport (ICS), about 4.8 nm to the ese.

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

Map

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

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
14 / 322,400 ft / 732 m45 ftTurfUnlitOpen

Nearby airports

Cascade AirportICS
4.8 nm ESE (120°)
Cascade Reservoir Private StripUS-0011
6.9 nm N (9°)
Donald D. Coski Memorial AirportU84
11.5 nm N (4°)
Elk Ridge AirportUS-5907
12 nm NNE (19°)
Boulder Creek Airstrip44ID
12.3 nm N (8°)
Bens Ranch AirportUS-7377
12.7 nm SSE (164°)

Great-circle distance and true bearing from West Mountain 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 West Mountain Airport located?

West Mountain Airport is small airport located in Cascade, United States, at an elevation of 4,842 ft (1,476 m).

How many runways does West Mountain Airport have?

West Mountain Airport has 1 runway, the longest being 2,400 ft / 732 m.

What time zone is West Mountain Airport in?

West Mountain Airport is in the America/Boise time zone (UTC-06:00).

What is the magnetic variation at West Mountain Airport?

The magnetic variation (declination) at West Mountain Airport is approximately 12.8° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near West Mountain Airport?

The nearest airport to West Mountain Airport is Cascade Airport (ICS), about 4.8 nm to the ese, followed by Cascade Reservoir Private Strip and Donald D. Coski Memorial Airport.

Is the information on this page suitable for flight planning?

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