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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
KS52 (19nm) MVFR
7:15 PM PST  
Light Snow and Mist
Overcast 3,400'
Broken 2,400'
Scattered 200'
3sm
32°F
32°F
29.25"Hg
100° 4kts
AO2 P0001 T0000////
METAR KS52 190315Z AUTO 10004KT 3SM -SN BR SCT002 BKN024 OVC034 00/ A2925 RMK AO2 P0001 T0000////
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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)
Thu, 12/18 4:40 PM PST
Thu, 12/18 5:00 PM PST - Fri, 12/19 5:00 AM PST
VFR
5:00 PM PST - 8:00 PM PST
Overcast 6,000'
Few 1,500'
6sm
180° 25kts
Gusts 35kts
MVFR
Temporary 5:00 PM PST - 8:00 PM PST
Light Rain and Mist
Overcast 3,000'
Scattered 1,500'
5sm
Calm
VFR
8:00 PM PST - 1:00 AM PST
Scattered 6,000'
Few 2,000'
6sm
160° 8kts
VFR
1:00 AM PST - 5:00 AM PST
Few 6,000'
6sm
200° 8kts
TAF CYYF 190040Z 1901/1913 18025G35KT P6SM FEW015 OVC060
   TEMPO 1901/1904 5SM -RA BR SCT015 OVC030
   FM190400 16008KT P6SM FEW020 SCT060
   FM190900 20008KT P6SM FEW060 RMK NXT FCST BY 190700Z
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 
 
 
-- 
-- 
-- 
-- 
  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.