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Airports · Washington · airport · FAA file effective October 1, 2026

Lost River Airport

W12 · Mazama, Washington · Okanogan County · map

Lost River Airport is a public-use airport owned by Lost River Arpt Assoc, 5 miles northwest of Mazama, Washington, 2,415 feet above sea level. Its one runway, 11/29, is 3,150 feet of grass and gravel.

The airport

Codes
FAA W12
Kind
Airport · open to the public · privately owned
Owner
Lost River Arpt Assoc
Elevation
2,415 feet above sea level
Control tower
No control tower
Attended
unattended
Repairs
airframe: none; engine: none
On the chart
Seattle sectional
Magnetic variation
21E
In the FAA's files since
July 1960

This airport's record at the FAA

Runway

1129N1,000 ft

Drawn to scale from the FAA's runway positions, north up. Not for navigation.

RunwayLength × widthSurfaceLights
11/293,150 × 85 ftGrass and gravel, fair
  • Runway 11: right-hand traffic pattern, road on the approach
  • Runway 29: road on the approach

Radio frequencies

Common traffic advisory (CTAF)122.9

Wind map live wind over the area, from Windy.com

Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.

Aircraft registered in Mazama from the FAA register

7 aircraft are registered to owners in Mazama, Washington: 7 piston singles. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.

Individuals are counted, never named. All aircraft registered in Washington.

Accidents and incidents at or near this airport NTSB records · 2 since 1982, 0 fatal

2016-09-03GAA16CA485 · Dormaier Monte R Baby Great Lakes N110MD · accident · minor injuries
2004-08-01SEA04LA134 · Cessna 150C N7815Z · accident · serious injuries

Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.

Nearby within 30 nautical miles

The FAA's remarks as written in the airport file

  • Filed for record keeping purposes only.
  • Airport closed 1 nov through 1 apr.
  • Marked (painted) on concrete pad.
  • 11/29 +60 feet trees in primary surface both sides runway.
  • Watch for vehicles and pedestrians on runway.
  • Access roads both side of runway in prim surface, vehicles cross runway at various locations, primarily at runway ends.

Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.