Twin Falls, Idaho

KTWF Joslin Fld/Magic Valley Rgnl

Joslin Fld/Magic Valley Rgnl (KTWF) is a towered, public-use airport in Twin Falls, Idaho, at 4,153.4 ft MSL. It has 2 runways: 08/26 (8,704 by 150 ft, asphalt), 12/30 (3,224 by 75 ft, asphalt). CTAF 118.2.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
ICAO KTWF, FAA TWF
Location
Twin Falls, Idaho (Twin Falls County). 4 NM S of the city center
Elevation
4,153.4 ft MSL
Position
42.4818° N, 114.4877° W
Control tower
Yes (ATCT-A/C)
Sectional chart
Salt Lake City
Magnetic variation
13° E (2015)
Fuel
100LL, Jet A-1+
Ownership
Publicly owned, open to the public
Attendance
Daily 0630-2000

2 runways

Runways

RunwayLength × widthSurfaceEdge lights
08/268,704 × 150 ftAsphalt, good conditionHigh intensity
12/303,224 × 75 ftAsphalt, fair conditionNot listed

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
08Left traffic4-box VASI, leftNone listedNone listedNot listed
26Left traffic4-light PAPI, leftILSNone listedNot listed
12Left trafficNone listedNone listedNone listedNot listed
30Left trafficNone listedNone listedNone listedNot listed

VHF

Frequencies

CTAF
118.2
UNICOM
122.95
Tower
118.2
"Twin Falls". Hours 0600-2100
Ground
121.7
"Twin Falls". Hours 0600-2100
Clearance delivery
123.65
"Twin Falls". Hours 0600-2100
Approach / departure
126.7
"Twin Falls"

Weather station

ASOS TWF
135.025

Before you go

Brief KTWF in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Joslin Fld/Magic Valley Rgnl, 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.