Las Arenas Earth And Sky Observatory Private
2CO2 · Alamosa, CO · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:32 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:21 AM | 12:21Z |
| Sunrise | 06:47 AM | 12:47Z |
| Sunset | 07:06 PM | 01:06Z |
| Evening civil twilight Loggable night begins | 07:32 PM | 01:32Z |
Plan a flight from 2CO2
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 20LEFT traffic
- Heading
- 200° true
- Dimensions
- 2,700 × 40 ft
- TPA
- 8,600 ft MSL (≈1,000 AGL) · standard
- Surface
- Dirt
Enter the left downwind (heading 020°) on the 45° at 8,600 ft MSL (≈1,000 AGL).
More details — RWY 20
- Approach obstacle
- Fence, 4 ft, 10 ft from threshold
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 |
|---|---|---|
| 02/20 | 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 | r038° / 12.3 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
- 37.4778, -105.6158
- Elevation
- 7,582 ft MSL
- Sectional chart
- DENVER
- Airport use
- Private
- Control tower
- No
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- DENVER · 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: CO14 Alamosa Outpost (private) (4 NM) · 05V Blanca (5 NM) · CO83 Green Acres (private) (6 NM) · CO92 Trinchera Ranch Airstrip (private) (10 NM)
About 2CO2
Las Arenas Earth And Sky Observatory (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 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 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 is in Alamosa, CO, at an elevation of 7,582 ft MSL. Coordinates: 37.4778, -105.6158.
More about 2CO2
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.
Something here wrong or out of date? Report a data problem.