Joslin Field Magic Valley Regional Airport
TWF · KTWF · Twin Falls, ID · 4,154 ft elevation · var 13E · Towered
Airport information
- ICAO / IATA
- KTWF / TWF
- Coordinates
- 42.4818, -114.4880
- Elevation
- 4,154 ft MSL
- Magnetic variation
- 13E
- Sectional chart
- SALT LAKE CITY
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- BOISE
- NOTAM facility
- TWF
- Attendance
- ALL 0630-2000
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1948/02
- Distance from city
- 4 S
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:26 AM | 11:26Z |
| Sunrise | 06:01 AM | 12:01Z |
| Sunset | 09:19 PM | 03:19Z |
| Evening civil twilight Loggable night begins | 09:54 PM | 03:54Z |
Plan a flight from KTWF
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- WHEN ATCT CLSD ACTVT MALSR RWY 26; REIL RWY 08; HIRL RWY 08/26 - CTAF. on 118.2 — Chart Supplement ↗
Runway lighting aids — 08: VASI · 26: 4-light PAPI (left) + MALSR.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 08 · 078°
- Pattern
- left (turns left)
- TPA
- 5,200 ft MSL (≈1,000 AGL)
- CTAF
- 118.2
Enter the left downwind for Rwy 08 at 5,200 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 08/26
8,704 ft × 150 ft · Asphalt (Good)- Heading
- 078° mag · 91° true
- Markings
- nonprecision
- VGSI
- VASI (3°)
- Traffic pattern
- Left
- Heading
- 258° mag · 271° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Approach lights
- MALSR
- Instrument landing
- ILS · CAT I · LOC 108.3 (TWF) · GS 3.00°
- Traffic pattern
- Left
Runway 12/30
3,224 ft × 75 ft · Asphalt (Fair)- Heading
- 123° mag · 136° true
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Trees, 75 ft, 2,000 ft from threshold — 23:1 slope to clear
- Heading
- 303° mag · 316° true
- Markings
- basic
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 08/26 | 8,704 ft | |
| 12/30 | 3,224 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 126.7 | TWIN FALLS APP/DEP |
| ASOS | 135.025 | |
| CTAF | 118.2 | |
| GND | 121.7 | TWIN FALLS GND |
| RDO | 122.25 | BOISE RDO |
| TWR | 118.2 | TWIN FALLS TWR |
| UNIC | 122.95 | UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| TWF · Twin Falls | VORTAC | 115.80 | r003° / 0.1 NM |
| BYI · Burley | VOR-DME | 114.10 | r240° / 28.1 NM |
Airport diagram
Open PDF ↗Preview diagram
Procedures at a glance
⚠ Hot spots published at this airport — review the hot-spot chart before you taxi ↗Approaches6
Departures
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A-1 (additive)
- Bottled oxygen
- HIGH
- Bulk oxygen
- HIGH
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Agricultural, Cargo, Charter, Instruction
Ownership & management
Remarks FAA
- PPR UNSKED ACR OPS GTR THAN 30 PAX SEATS - AMGR.
- TWY G, H, J & K NON ACR MOV AREA.
- LN OF SIGHT BTN RWY 26 APCH END & RWY 12 APCH END NA.
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC SALT LAKE ARTCC AT 801-320-2568.
- WHEN ATCT CLSD ACTVT MALSR RWY 26; REIL RWY 08; HIRL RWY 08/26 - CTAF.
- LNDG FEE FOR FAR PART 121, 135 OPR & GA PART 91 GTR THAN 12500 LB MGLW.
- SVC FEE 2000-0630; INFO 208-733-5920 OR 539-4034.
- PCR VALUE: 1020/F/B/X/T
- PCR VALUE: 157/F/B/X/T
- NON ACR MOV AREA.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KTWF in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
About KTWF
Joslin Field Magic Valley Regional Airport (TWF · KTWF) is an airport in Twin Falls, ID, at 4,154 ft MSL. It has 2 runways, the longest 8,704 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KTWF, refreshed from the Aviation Weather Center and FAA NASR.
Does KTWF have a control tower?
Yes. Joslin Field Magic Valley Regional Airport has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.
What is the longest runway at KTWF?
Joslin Field Magic Valley Regional Airport has 2 runways; the longest is 8,704 ft. See the Runways tab for headings, surface, and lighting.
Where is KTWF?
Joslin Field Magic Valley Regional Airport is in Twin Falls, ID, at an elevation of 4,154 ft MSL. Coordinates: 42.4818, -114.4880.
Fly out of KTWF often?
Save KTWF as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.