Reference only — not for real-world navigation.
20CL
Mysterious Valley Airport · Pope Valley
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,410 ft / 430 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
14/32 · 3,500 ft · GRVLUNLITFlight Planning
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Welcome to the technical flight briefing for Mysterious Valley Airport (20CL), located in Pope Valley, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 1,410 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Mysterious Valley Airport
ICAO / IATA
20CL / —
Municipality
Pope Valley
Country
Region
US-CA — California
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,410 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 14 / 32
UNLIT
Runway Length: 3,500 ft / 1,067 m
Runway Width: 30 ft / 9 m
Surface Type: GRVL
Heading: —° / —°
Runway Width: 30 ft / 9 m
Surface Type: GRVL
Heading: —° / —°
RWY 14
No ILS / Visual Only
RWY 32
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026