Imnaha, Oregon
25U Memaloose Usfs
Memaloose Usfs (25U) is a non-towered, public-use airport in Imnaha, Oregon, at 6,708 ft MSL. Its runway is 17/35 (3,300 by 120 ft, dirt). Right traffic for runways 17, 35. 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 25U
- Location
- Imnaha, Oregon (Wallowa County). 10 NM SE of the city center
- Elevation
- 6,708 ft MSL
- Position
- 45.4279° N, 116.6939° W
- Control tower
- No, non-towered
- Sectional chart
- Great Falls
- Magnetic variation
- 18° E (1985)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 17/35 | 3,300 × 120 ft | Dirt, fair condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 17 | Right traffic | 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 25U in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Memaloose Usfs, 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.