AirNav: 20CL - Mysterious Valley Airport

20CL

Mysterious Valley Airport
Pope Valley, California, USA

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FAA INFORMATION EFFECTIVE 19 FEBRUARY 2026

Location

FAA Identifier:	20CL
Lat/Long:	38-44-57.6490N 122-22-02.9220W 38-44.960817N 122-22.048700W 38.7493469,-122.3674783 (estimated)
Elevation:	1410 ft. / 430 m (estimated)
Variation:	16E (1985)
From city:	9 miles N of POPE VALLEY, CA
Time zone:	UTC -8 (UTC -7 during Daylight Saving Time)
Zip code:	94558

Airport Operations

Airport use:	Private use. Permission required prior to landing
Activation date:	05/1971
Control tower:	no
ARTCC:	OAKLAND CENTER
FSS:	OAKLAND FLIGHT SERVICE STATION
Attendance:	IREG
Wind indicator:	yes
Segmented circle:	no

Nearby radio navigation aids

VOR radial/distance		VOR name		Freq		Var
ILAr201/25.0		WILLIAMS VORTAC		114.40		18E
SGDr343/34.2		SCAGGS ISLAND VORTAC		112.10		17E

Airport Services

Airframe service:	NONE
Powerplant service:	NONE

Runway Information

Runway 14/32

Dimensions:	3500 x 30 ft. / 1067 x 9 m
Surface:	gravel
	RUNWAY 14	RUNWAY 32
Traffic pattern:	left	left

Airport Ownership and Management from official FAA records

Ownership:	Privately-owned
Owner:	PERRY CLARK AMIZETTA WINERY 1099 GREENFIELD RD ST HELENA, CA 94574

Additional Remarks

-	HAZARDOUS STRIP-SURROUNDED BY HILLS, 95 FT FENCE TO FENCE.
-	FOR CD CTC OAKLAND ARTCC AT 510-745-3380.

Instrument Procedures

There are no published instrument procedures at 20CL.

Some nearby airports with instrument procedures:

O41 - Watts-Woodland Airport (24 nm E)
KSTS - Charles M Schulz/Sonoma County Airport (25 nm SW)
KHES - Healdsburg Municipal Airport (26 nm W)
KDWA - Yolo County Airport (26 nm SE)
1O2 - Lampson Field Airport (29 nm NW)

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Area around 20CL (Mysterious Valley Airport)

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Aerial photo
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Sectional chart

Airport distance calculator
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Sunrise and sunset

Times for 04-Mar-2026

	Local (UTC-8)	Zulu (UTC)
Morning civil twilight	06:12	14:12
Sunrise	06:38	14:38
Sunset	18:04	02:04
Evening civil twilight	18:31	02:31

Current date and time

Zulu (UTC)	05-Mar-2026 00:17:12
Local (UTC-8)	04-Mar-2026 16:17:12

METAR

KSTS 26nm SW	707-573-8393 042353Z 31012G21KT 10SM CLR 18/02 A3012 RMK AO2 SLP192 T01780022 10183 20144 56009
KDWA 26nm SE	042355Z AUTO 32007G13KT 10SM CLR 20/04 A3008 RMK AO2
KVCB 29nm SE	042353Z AUTO 28007KT 10SM CLR 19/03 A3007 RMK AO2 SLP182 T01940033 10206 20172 56012
KEDU 30nm SE	042355Z AUTO 32007KT 10SM CLR 20/01 A3007 RMK AO1
KO69 32nm S	042355Z AUTO 25011KT 10SM CLR 17/08 A3012 RMK A01
KAPC 33nm S	042354Z 26016G25KT 9SM CLR 17/08 A3009 RMK AO2 SLP180 T01720078 10183 20144 56013
KSUU 36nm SE	042355Z AUTO 25016KT 10SM CLR 19/08 A3005 RMK AO2 SLP182 T01900080 10202 20158 57012 $
KSMF 36nm E	042353Z 02007KT 10SM SCT070 BKN250 18/10 A3006 RMK AO2 SLP177 T01780100 10200 20167 56009
KDVO 37nm S	042355Z AUTO 26014G19KT 10SM CLR 18/08 A3011 RMK AO2
KMYV 43nm NE	042353Z AUTO 35006KT 10SM SCT070 BKN085 20/03 A3007 RMK AO2 SLP185 60000 T02000033 10206 20144 56010

TAF

KSTS
26nm SW

041721Z 0418/0518 31008KT P6SM FEW025 FM042200 31012G22KT P6SM SKC FM050300 34010G22KT P6SM SKC FM051200 35009KT P6SM SKC

NOTAMs

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