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West Mountain Airport Private

3ID9 · Cascade, ID · 4,842 ft elevation · Non-towered

Airport information

FAA LID
3ID9
Coordinates
44.5342, -116.1124
Elevation
4,842 ft MSL
Sectional chart
SALT LAKE CITY
Airport use
Private
Control tower
No
ARTCC
SALT LAKE CITY (ZLC)
Flight service (FSS)
BOISE
Segmented circle
No
Activated
2026/04
Distance from city
6 NW

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

EventLocal (MDT)UTC
Morning civil twilight
Loggable night ends
05:23 AM11:23Z
Sunrise05:59 AM11:59Z
Sunset09:33 PM03:33Z
Evening civil twilight
Loggable night begins
10:10 PM04:10Z
Loggable night (§1.1)
10:10 PM → 05:23 AM
Night currency (§61.57)
10:33 PM → 04:59 AM

Plan a flight from 3ID9

Traffic pattern

14TPANSEW
LEFT traffic
Landing
Rwy 14
Pattern
left (turns left)
TPA
5,800 ft MSL (≈1,000 AGL)

Enter the left downwind for Rwy 14 at 5,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 14/32

2,400 ft × 45 ft · Turf (Fair)
14
Heading
n/a
Markings
none
Traffic pattern
Left
32
Heading
n/a
Markings
none
Traffic pattern
Right

Headings shown are true (magnetic variation unavailable).

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
DNJ · DonnellyVORTAC116.20r145° / 14.5 NM

No published instrument procedures or Chart Supplement for 3ID9. VFR sectional link above.

Ownership & management

Owner
COMMON AREA HOMEOWNERS ASSOCIATION
929 WEST MOUNTAIN ROAD, CASCADE, ID
208-861-6527
Manager
PATRICK BOTTE
1650 EAST BEACON LIGHT ROAD, EAGLE, ID
208-794-2204

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 3ID9 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

About 3ID9

West Mountain Airport (3ID9) is an airport in Cascade, ID, at 4,842 ft MSL. It has 1 runway, the longest 2,400 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3ID9, refreshed from the Aviation Weather Center and FAA NASR.

Does 3ID9 have a control tower?

No. West Mountain Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.

What is the longest runway at 3ID9?

West Mountain Airport has 1 runway; the longest is 2,400 ft. See the Runways tab for headings, surface, and lighting.

Where is 3ID9?

West Mountain Airport is in Cascade, ID, at an elevation of 4,842 ft MSL. Coordinates: 44.5342, -116.1124.

Fly out of 3ID9 often?

Save 3ID9 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.

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