San Luis Valley Regional Airport/Bergman Field
ALS · KALS · Alamosa, CO · 7,539 ft elevation · var 9E · Non-towered
Airport information
- ICAO / IATA
- KALS / ALS
- Coordinates
- 37.4349, -105.8670
- Elevation
- 7,539 ft MSL
- Magnetic variation
- 9E
- Sectional chart
- DENVER
- Airport use
- Public
- Control tower
- No
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- DENVER
- NOTAM facility
- ALS
- Attendance
- ALL 0800-1930
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1941/03
- Distance from city
- 2 S
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:12 AM | 11:12Z |
| Sunrise | 05:43 AM | 11:43Z |
| Sunset | 08:28 PM | 02:28Z |
| Evening civil twilight Loggable night begins | 08:59 PM | 02:59Z |
Plan a flight from KALS
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MALSR RWY 02; REIL RWY 20; VASI RWY 20; HIRL RWY 02/20 - CTAF 122.8 — Chart Supplement ↗
Runway lighting aids — 02: 4-light PAPI (left) + MALSR · 20: VASI.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 02 · 023°
- Pattern
- left (turns left)
- TPA
- 8,500 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 02 at 8,500 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 02/20
8,521 ft × 100 ft · Asphalt (Good)- Heading
- 023° mag · 32° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Approach lights
- MALSR
- Instrument landing
- ILS · CAT I · LOC 111.9 (VQR) · GS 3.00°
- Traffic pattern
- Left
- Heading
- 203° mag · 212° true
- Markings
- precision
- VGSI
- VASI (3°)
- Traffic pattern
- Left
- Approach obstacle
- Tree, 40 ft, 1,310 ft from threshold, 15 ft R of centerline — 27:1 slope to clear
| Runway | Length | Your margin |
|---|---|---|
| 02/20 | 8,521 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| ASOS | 135.175 | |
| CNTR | 128.375 | DENVER CNTR |
| RDO | 122.15 | DENVER RDO |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ALS · Alamosa | VORTAC | 113.90 | r322° / 5.7 NM |
Airport diagram
Open PDF ↗Preview diagram
Procedures at a glance
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- HIGH/LOW
- Bulk oxygen
- HIGH/LOW
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Agricultural, Air ambulance, Avionics, Cargo, Charter, Instruction
Ownership & management
Remarks FAA
- CONDS UNMON AT NGT AFT LAST ACR ARR TIL 0600; SEE NOTAMS FOR CONDS.
- FOR CD CTC DENVER ARTCC ON FREQ. IF UNA, CTC FSS ON FREQ VIA RCO. IF UNA, CTC DENVER ARTCC AT 303-651-4257.
- PPR FOR UNSKED AIR CARRIER OPNS CALL ARPT OPS 719-588-4881 OR 719-588-4871.
- ARFF COVERAGE PROVDD DURG ACR OPS; OTR TIMES 24 HR PPR - ARPT OPS 719-588-4881/4871.
- HOP ON & INVOF ARPT.
- COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -25C.
- APRON GA RAMP CLSD TO ACRS.
- ACTVT MALSR RWY 02; REIL RWY 20; VASI RWY 20; HIRL RWY 02/20 - CTAF 122.8
- ON CALL - 719-587-5335.
- PCR VALUE: 392/F/C/X/T
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 KALS 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 KALS
San Luis Valley Regional Airport/Bergman Field (ALS · KALS) is an airport in Alamosa, CO, at 7,539 ft MSL. It has 1 runway, the longest 8,521 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KALS, refreshed from the Aviation Weather Center and FAA NASR.
Does KALS have a control tower?
No. San Luis Valley Regional Airport/Bergman Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at KALS?
San Luis Valley Regional Airport/Bergman Field has 1 runway; the longest is 8,521 ft. See the Runways tab for headings, surface, and lighting.
Where is KALS?
San Luis Valley Regional Airport/Bergman Field is in Alamosa, CO, at an elevation of 7,539 ft MSL. Coordinates: 37.4349, -105.8670.
Fly out of KALS often?
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