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LOST RIVER - Airport Diagram
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W12
LOST RIVER
PublicPUB

5 miles NW of MAZAMA, WA
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
48° 38' 59"N 120° 30' 07"W
2415' MSL
3415' MSL
21E
None Listed
SEATTLE (SEA)
SEATTLE
SEATTLE (ZSE)
11/27/25-12/25/25
KOMK (41nm) VFR
8:20 AM PST  
Broken 9,000'
Scattered 700'
Few 300'
10sm
38°F
37°F
29.97"Hg
160° 7kts
AO2 T00330028
SPECI KOMK 141620Z AUTO 16007KT 10SM FEW003 SCT007 BKN090 03/03 A2997 RMK AO2 T00330028
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No communication frequencies available for this airport.

FAA A/FD Pages

Airport Diagrams

  • No Documents

Airport Minimums

  • No Documents

Departure Procedures

  • No Documents

Hotspot

  • No Documents

Standard Term. Arrival

  • No Documents

Instrument Approach

  • No Documents

Terminal Area Forecast

CYYF (60nm)
Sun, 12/14 4:40 AM PST
Sun, 12/14 5:00 AM PST - Sun, 12/14 5:00 PM PST
VFR
5:00 AM PST - 7:00 AM PST
Scattered 10,000'
Few 3,000'
6sm
160° 15kts
MVFR
Temporary 5:00 AM PST - 7:00 AM PST
Broken 3,000'
N/A
Calm
VFR
7:00 AM PST - 2:00 PM PST
Broken 20,000'
Scattered 6,000'
6sm
180° 15kts
VFR
Temporary 7:00 AM PST - 2:00 PM PST
Broken 6,000'
N/A
Calm
VFR
2:00 PM PST - 5:00 PM PST
Broken 6,000'
6sm
170° 12kts
Gusts 22kts
TAF CYYF 141240Z 1413/1501 16015KT P6SM FEW030 SCT100
   TEMPO 1413/1415 BKN030
   FM141500 18015KT P6SM SCT060 BKN200
   TEMPO 1415/1422 BKN060
   FM142200 17012G22KT P6SM BKN060 RMK NXT FCST BY 141900Z
W12
No NOTAM Available
No
UNATNDD
LOST RIVER ARPT ASSOC
16 MERCER ROAD
MAZAMA, WA 98833
Phone: (206) 321-2447
PATRICIA HEGLUND
2 MERCER ROAD
MAZAMA, WA 98833
Phone: 608-317-7850
SEATTLE FSS (SEA)
Toll Free: 1-800-WX-BRIEF
SEA
--
--
N/A
Yes
No
No
None
NOT a Landing Rights Airport
NOT an Airport of Entry
None
None
None
None
None

Runway 11/29

3150 ft. x 85 ft.
TURF GRVL  
Fair 
NONE 
 
 
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-- 
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  Runway 11 Runway 29
True Heading Not ListedNot Listed
Traffic Pattern Right
Markings NONE
Markings Condition
Latitude N/A N/A
Longitude N/A N/A
Elevation -- --
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-1ARPT CLSD 1 NOV THRU 1 APR.
A110-2WATCH FOR VEHICLES AND PEDESTRIANS ON RWY.
A110-3ACCESS ROADS BOTH SIDE OF RWY IN PRIM SFC, VEHICLES CROSS RWY AT VARIOUS LOCATIONS, PRIMARILY AT RWY ENDS.
A110-4FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
LOST RIVER (IATA: W12) is a public airport located in MAZAMA, WA.