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Mysterious Valley Airport Private
20CL · Pope Valley, CA · 1,410 ft elevation · var 16E · Towered
Airport information
- FAA LID
- 20CL
- Coordinates
- 38.7493, -122.3670
- Elevation
- 1,410 ft MSL
- Magnetic variation
- 16E
- Sectional chart
- SAN FRANCISCO
- Airport use
- Private
- Control tower
- Yes
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- OAKLAND
- Attendance
- IREG
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1971/05
- Distance from city
- 9 N
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:13 AM | 12:13Z |
| Sunrise | 05:45 AM | 12:45Z |
| Sunset | 08:37 PM | 03:37Z |
| Evening civil twilight Loggable night begins | 09:09 PM | 04:09Z |
Loggable night (§1.1)
09:09 PM → 05:13 AM
Night currency (§61.57)
09:37 PM → 04:45 AM
Plan a flight from 20CL
Runway 14/32
3,500 ft × 30 ft · Gravel 14
- Heading
- n/a
- Traffic pattern
- Left
32
- Heading
- n/a
- Traffic pattern
- Left
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ILA · Williams | VORTAC | 114.40 | r202° / 25 NM |
| STS · Santa Rosa | VOR-DME | 113.00 | r039° / 25.4 NM |
| SGD · Scaggs Island | VORTAC | 112.10 | r343° / 34.2 NM |
| MXW · Maxwell | VORTAC | 110.00 | r173° / 34.8 NM |
| TZZ · Travis | VOR | 116.40 | r296° / 35.7 NM |
| SUU · Travis | TACAN | 116.60 | r310° / 36.2 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 20CL. VFR sectional link above.
Services
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management
Owner
PERRY CLARK
AMIZETTA WINERY 1099 GREENFIELD RD, ST HELENA, CA
Manager
Remarks FAA
- FORM 7480-1 SUBMITTED FOR RECORDS.
- HAZARDOUS STRIP-SURROUNDED BY HILLS, 95 FT FENCE TO FENCE.
- FOR CD CTC OAKLAND ARTCC AT 510-745-3380.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 20CL in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.