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20CLAIRPORT

MYSTERIOUS VALLEY

POPE VALLEY, California

VFRUpdated 2h ago1,410 ft MSL

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.

Weather camera at Angwin facing NorthWest
Live

Angwin

NorthWest · Camera 1 · 4 cameras total

11 NM away

Weather camera at Deer Park facing West
Live

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 →
Source: FAA faa-weather-camera

Runways

IDLengthWidthSurfaceLights
14/323,500 ft30 ftGRVL-

Active NOTAMs

No active NOTAMs for 20CL.

Nearby Airports in California

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.

Complete aviation intelligence for 20CL

Live weather, decoded NOTAMs, IFR procedures, AI briefings, and more. Included in every AeroCopilot plan from $7.99/month.

Source: FAA faa-nasr· AIRAC 28-day cycle· Updated Jun 10, 12:45 AM UTC
Source: FAA noaa-awc-metar· Updated Jun 9, 10:53 PM UTC