Kahlotus, Washington
W09 Lower Monumental State
Lower Monumental State (W09) is a non-towered, public-use airport in Kahlotus, Washington, at 813 ft MSL. Its runway is 01/19 (3,300 by 50 ft, gravel). Right traffic for runways 01, 19. 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 W09
- Location
- Kahlotus, Washington (Walla Walla County). 5 NM S of the city center
- Elevation
- 813 ft MSL
- Position
- 46.5497° N, 118.5367° W
- Control tower
- No, non-towered
- Sectional chart
- Seattle
- Magnetic variation
- 19° E (1985)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 01/19 | 3,300 × 50 ft | Gravel, fair condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 01 | Right traffic | None listed | None listed | None listed | Not listed |
| 19 | Right traffic | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief W09 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Lower Monumental State, 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.