Las Arenas Earth and Sky Observatory Airport Private
2CO2 · Alamosa, CO · 7,582 ft elevation · Non-towered
Airport information
- FAA LID
- 2CO2
- Coordinates
- 37.4787, -105.6325
- Elevation
- 7,582 ft MSL
- Sectional chart
- DENVER
- Airport use
- Private
- Control tower
- No
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- DENVER
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2010/04
- Distance from city
- 13 W
Weather
METAR observed
Loading current weather…
TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:11 AM | 11:11Z |
| Sunrise | 05:42 AM | 11:42Z |
| Sunset | 08:27 PM | 02:27Z |
| Evening civil twilight Loggable night begins | 08:58 PM | 02:58Z |
Plan a flight from 2CO2
Traffic pattern
- Landing
- Rwy 2
- Pattern
- left (turns left)
- TPA
- 8,600 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 2 at 8,600 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 2/20
2,700 ft · Dirt- Heading
- n/a
- Heading
- n/a
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 2/20 | 2,700 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ALS · Alamosa | VORTAC | 113.90 | r035° / 11.7 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 2CO2. VFR sectional link above.
Ownership & management
Remarks FAA
- FOR CD CTC DENVER ARTCC AT 303-651-4257.
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 2CO2 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 2CO2
Las Arenas Earth and Sky Observatory Airport (2CO2) is an airport in Alamosa, CO, at 7,582 ft MSL. It has 1 runway, the longest 2,700 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 2CO2, refreshed from the Aviation Weather Center and FAA NASR.
Does 2CO2 have a control tower?
No. Las Arenas Earth and Sky Observatory Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 2CO2?
Las Arenas Earth and Sky Observatory Airport has 1 runway; the longest is 2,700 ft. See the Runways tab for headings, surface, and lighting.
Where is 2CO2?
Las Arenas Earth and Sky Observatory Airport is in Alamosa, CO, at an elevation of 7,582 ft MSL. Coordinates: 37.4787, -105.6325.
Fly out of 2CO2 often?
Save 2CO2 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.