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Lost River Airport

W12 · Mazama, WA · 2,415 ft elevation · var 21E · Towered

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
Yes
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 2026-06-20

EventLocal (PDT)UTC
Morning civil twilight
Loggable night ends
04:17 AM11:17Z
Sunrise04:59 AM11:59Z
Sunset09:08 PM04:08Z
Evening civil twilight
Loggable night begins
09:50 PM04:50Z
Loggable night (§1.1)
09:50 PM → 04:17 AM
Night currency (§61.57)
10:08 PM → 03:59 AM

Plan a flight from W12

Runway 11/29

3,150 ft × 85 ft · TURF-GRVL (Fair)
11
Heading
n/a
Traffic pattern
Right
29
Heading
n/a
Markings
none
Traffic pattern
Left

No published frequencies or nearby navaids for W12.

Chart Supplement FAA A/FD

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Services

Bottled oxygen
NONE
Bulk oxygen
NONE
Airframe service
NONE
Powerplant service
NONE

Ownership & management

Owner
LOST RIVER ARPT ASSOC
16 MERCER ROAD, MAZAMA, WA
(206) 321-2447
Manager
PATRICIA HEGLUND
2 MERCER ROAD, MAZAMA, WA
608-317-7850

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.

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.