San Luis Valley Regional Airport/Bergman Field
ALS · KALS · Alamosa, CO · Non-towered · Print kneeboard
FAA airport diagramView full size ↓ Nearby now
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:37 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:41 AM | 11:41Z |
| Sunrise | 06:10 AM | 12:10Z |
| Sunset | 08:09 PM | 02:09Z |
| Evening civil twilight Loggable night begins | 08:37 PM | 02:37Z |
Plan a flight from KALS
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
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Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 20LEFT traffic
- Heading
- 203° mag · 212° true
- Dimensions
- 8,521 × 100 ft
- TPA
- 8,500 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- VASI (3°)
- CTAF
- 122.8
Enter the left downwind (heading 023°) on the 45° at 8,500 ft MSL (≈1,000 AGL).
More details — RWY 20
- Threshold elev
- 7,539 ft
- Markings
- precision
- Approach obstacle
- Tree, 40 ft, 1,310 ft from threshold, 15 ft R of centerline — 27:1 slope to clear
- Threshold crossing height
- 41 ft
- TDZ elevation
- 7,540 ft
- Declared TORA/TODA/ASDA/LDA
- 8,519 / 8,519 / 8,519 / 8,519 ft
- End lights
- REIL
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 02/20 | 8,521 ft |
Prefer one flat page? Full runway details for KALS → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KALS kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
“Alamosa”Taxi & takeoff
“Alamosa”Also
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 379.95 | ALAMOSA RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 02
| Runway | ILS |
|---|---|
| RWY 02 | ILS · CAT I · LOC 111.9 (VQR) · GS 3.00° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
ALS 113.90
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| ALS · Alamosa | VORTAC | 113.90 · 86X | High | r322° / 5.7 NM |
Prefer one flat list? All KALS frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KALS, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KALS / ALS
- Coordinates
- 37.4349, -105.8670
- Elevation
- 7,540 ft MSL
- Magnetic variation
- 9E
- Sectional chart
- DENVER
- Airport use
- Public
- Control tower
- No
- Airspace
- Class E · CLASS E SVC 0545-1900 MON-FRI, 0730-1900 SAT-SUN; OTHER TIMES CLASS G
- Weather station
- ASOS · 135.175 · ☎ 719-223-0010
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- DENVER · 122.3 · 1-800-WX-BRIEF
- FSS outlet
- RCO → Denver Radio (24)
- NOTAM facility
- ALS
- Attendance
- ALL 0800-1930
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- FAR 139 class
- I A
- GPS MON airport
- Yes
- Activated
- 1941/03
- Distance from city
- 2 S
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 under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- 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 2 contacts
Remarks FAA · 10 notes
General
- 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.
Runways
- PCR VALUE: 392/F/C/X/T
Lighting
- ACTVT MALSR RWY 02; REIL RWY 20; VASI RWY 20; HIRL RWY 02/20 - CTAF 122.8
Attendance
- ON CALL - 719-587-5335.
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Live METAR, flight category, and favored runway for KALS — paste this into your website's HTML. It updates automatically and stays free.
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Nearby airports
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Also nearby: 2CO2 Las Arenas Earth and Sky Observatory Airport (private) (11 NM) · 05V Blanca Airport (15 NM) · 02CO Mc Cullough Airport (private) (15 NM) · 0CO9 Van Treese Airport (private) (16 NM) · CO92 Trinchera Ranch Airstrip (private) (22 NM)
About KALS
San Luis Valley Regional Airport/Bergman Field (ALS · KALS) is an airport in Alamosa, CO, at 7,540 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 in the Comms & NavAids section.
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 section for headings, surface, and lighting.
Where is KALS?
San Luis Valley Regional Airport/Bergman Field is in Alamosa, CO, at an elevation of 7,540 ft MSL. Coordinates: 37.4349, -105.8670.
Fly out of KALS often?
Save KALS 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.
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.