Airport information
- FAA LID
- W12
- Coordinates
- 48.6496, -120.5020
- Elevation
- 2,415 ft MSL
- Magnetic variation
- 21E
- Sectional chart
- SEATTLE
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- SEATTLE
- NOTAM facility
- SEA
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1960/07
- Distance from city
- 5 NW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:17 AM | 11:17Z |
| Sunrise | 04:59 AM | 11:59Z |
| Sunset | 09:08 PM | 04:08Z |
| Evening civil twilight Loggable night begins | 09:51 PM | 04:51Z |
Plan a flight from W12
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 11
- Pattern
- right (turns right)
- TPA
- 3,400 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the right downwind for Rwy 11 at 3,400 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 11/29
3,150 ft × 85 ft · TURF-GRVL (Fair)- Heading
- n/a
- Traffic pattern
- Right
- Approach obstacle
- Road, 15 ft, 0 ft from threshold, 0 ft B of centerline
- Heading
- n/a
- Markings
- none
- Traffic pattern
- Left
- Approach obstacle
- Road, 15 ft, 0 ft from threshold, 0 ft B of centerline
| Runway | Length | Your margin |
|---|---|---|
| 11/29 | 3,150 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 122.9 |
Source: FAA NASR (current 28-day cycle).
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management
Remarks FAA
- FILED FOR RECORD KEEPING PURPOSES ONLY.
- ARPT CLSD 1 NOV THRU 1 APR.
- WATCH FOR VEHICLES AND PEDESTRIANS ON RWY.
- ACCESS ROADS BOTH SIDE OF RWY IN PRIM SFC, VEHICLES CROSS RWY AT VARIOUS LOCATIONS, PRIMARILY AT RWY ENDS.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
- MARKED (PAINTED) ON CONCRETE PAD.
- 11/29 +60 FT TREES IN PRIMARY SFC BOTH SIDES RY.
Nearby airports
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 W12 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 W12
Lost River Airport (W12) is an airport in Mazama, WA, at 2,415 ft MSL. It has 1 runway, the longest 3,150 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for W12, refreshed from the Aviation Weather Center and FAA NASR.
Does W12 have a control tower?
No. Lost River Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at W12?
Lost River Airport has 1 runway; the longest is 3,150 ft. See the Runways tab for headings, surface, and lighting.
Where is W12?
Lost River Airport is in Mazama, WA, at an elevation of 2,415 ft MSL. Coordinates: 48.6496, -120.5020.
Fly out of W12 often?
Save W12 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.