Mud Lake, Idaho

1U2 Mud Lake/West Jefferson County

Mud Lake/West Jefferson County (1U2) is a non-towered, public-use airport in Mud Lake, Idaho, at 4,795 ft MSL. Its runway is 04/22 (2,950 by 40 ft, asphalt). 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 1U2
Location
Mud Lake, Idaho (Jefferson County). 1 NM NW of the city center
Elevation
4,795 ft MSL
Position
43.8513° N, 112.5010° W
Control tower
No, non-towered
Sectional chart
Salt Lake City
Magnetic variation
16° E (1985)
Ownership
Publicly owned, open to the public
Attendance
MAY-OCT ALL 0800-1700; NOV-APR Irregular Irregular

1 runway

Runways

RunwayLength × widthSurfaceEdge lights
04/222,950 × 40 ftAsphalt, fair conditionNon-standard

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
04Not statedNone listedNone listedNone listedNot listed
22Not statedNone listedNone listedNone listedNot listed

VHF

Frequencies

CTAF
122.9

Before you go

Brief 1U2 in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Mud Lake/West Jefferson County, in the app on iPhone and iPad.

Get Ascent on the App Store

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.