Las Arenas Earth and Sky Observatory Airport Private
2CO2 · Alamosa, CO · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:36 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:40 AM | 11:40Z |
| Sunrise | 06:09 AM | 12:09Z |
| Sunset | 08:08 PM | 02:08Z |
| Evening civil twilight Loggable night begins | 08:36 PM | 02:36Z |
Plan a flight from 2CO2
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 2LEFT traffic
- Heading
- 020° true
- Dimensions
- 2,700 ft
- TPA
- 8,600 ft MSL (≈1,000 AGL) · standard
- Surface
- Dirt
Enter the left downwind (heading 200°) on the 45° at 8,600 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 2/20 | 2,700 ft |
Prefer one flat page? Full runway details for 2CO2 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 2CO2 kneeboard →
Comms & NavAids
Nearby navigation aids
ALS 113.90
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| ALS · Alamosa | VORTAC | 113.90 · 86X | High | r035° / 11.7 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 2CO2 — open it on the VFR sectional →
Airport info
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 · 122.2, 122.4 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2010/04
- Distance from city
- 13 W
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- FOR CD CTC DENVER ARTCC AT 303-651-4257.
Nearby airports
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Also nearby: 05V Blanca Airport (6 NM) · CO92 Trinchera Ranch Airstrip (private) (11 NM) · 0CO9 Van Treese Airport (private) (22 NM) · 02CO Mc Cullough Airport (private) (22 NM)
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 in the Comms & NavAids section.
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 section 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.
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.