1
Runway
0
Frequencies
0
Procedures
0
NOTAMs
Quick Facts
FAA
20CL
Elevation
1,410 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
38.749, -122.367
Airport Information
Facility Type
AIRPORT
Elevation
1,410 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
OAKLAND
Coordinates
38.7493, -122.3675
Ownership
Private
Hours of Operation
Current Weather
METAR KSTS 092253Z 22008KT 10SM FEW060 27/14 A2995 RMK AO2 SLP135 T02720144
Flight Category
VFR
Wind
220° at 8 kt
Visibility
10+ SM
Temperature
27.2°C
Dewpoint
14.4°C
Altimeter
1014.30 inHg
Cloud Cover
FEW
Nearest weather from KSTS (30 NM away)
Observed 2026-06-09 22:53Z
Nearby Weather Cameras
No camera at 20CL. Showing nearest cameras.
Angwin
NorthWest · Camera 1 · 4 cameras total
11 NM away
Deer Park
West · Camera 4 · 4 cameras total
14 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 14/32 | 3,500 ft | 30 ft | GRVL | - |
Active NOTAMs
No active NOTAMs for 20CL.
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20CL Operational Overview
Location & Facility
MYSTERIOUS VALLEY (20CL) is a privately owned airport restricted to private use located in POPE VALLEY, California, United States. The field sits at an elevation of 1,410 feet above mean sea level (MSL) at coordinates 38.7493°N, 122.3675°W.
Runways
MYSTERIOUS VALLEY has 1 runway. The longest runway (14/32) measures 3,500 feet by 30 feet with a grvl surface.
Communications & Operations
MYSTERIOUS VALLEY is a non-towered (pilot-controlled) field.
Weather Cameras
3 FAA Weather Cameras are available near MYSTERIOUS VALLEY, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Current Conditions
The current flight category at MYSTERIOUS VALLEY is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is 20CL?
20CL is the ICAO identifier for MYSTERIOUS VALLEY, a public-use airport located in POPE VALLEY, California, United States.
How many runways does MYSTERIOUS VALLEY have?
MYSTERIOUS VALLEY (20CL) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 20CL?
The field elevation of MYSTERIOUS VALLEY is 1,410 feet above mean sea level (MSL).
Is fuel available at 20CL?
No fuel types are currently listed for MYSTERIOUS VALLEY. Contact the FBO directly for availability.
What are the current weather conditions at 20CL?
The current flight category at MYSTERIOUS VALLEY is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at 20CL?
There are currently no active NOTAMs for MYSTERIOUS VALLEY.
How do I access complete data for 20CL?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for MYSTERIOUS VALLEY.
Where is MYSTERIOUS VALLEY located?
MYSTERIOUS VALLEY (20CL) is located in POPE VALLEY, California, United States, at an elevation of 1,410 ft MSL.
Does 20CL have weather cameras?
20CL does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.