Markleeville, California
M45 Alpine County
Alpine County (M45) is a non-towered, public-use airport in Markleeville, California, at 5,871.7 ft MSL. Its runway is 17/35 (4,443 by 50 ft, asphalt). Right traffic for runway 35. Published pattern altitude 800 ft AGL (about 6,672 ft MSL). CTAF 122.9.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA M45
- Location
- Markleeville, California (Alpine County). 3 NM N of the city center
- Elevation
- 5,871.7 ft MSL
- Position
- 38.7348° N, 119.7671° W
- Pattern altitude
- 800 ft AGL
- Control tower
- No, non-towered
- Sectional chart
- San Francisco
- Magnetic variation
- 16° E (1985)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 17/35 | 4,443 × 50 ft | Asphalt, poor condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 17 | Not stated | None listed | None listed | None listed | Not listed |
| 35 | Right traffic | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief M45 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Alpine County, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.