CO23 — Ashlawn Airport, Longmont, CO

Non-ToweredLongmont, CO • 5,313' MSL

CO23 WeatherLive METAR & TAF

CO23 has 1 runway. The longest is 9/27 at 1,200 ft × 580 ft (turf).

9/27No runway lights1,200 ft × 580 ftTurf

FAA NASR data, cycle 2026-09-03

CO23 field elevation is 5,313 ft MSL. The standard traffic pattern altitude at CO23 is 6,310 ft MSL (1,000 ft AGL).

Field elevation5,313 ft MSL

Pattern altitude6,310 ft MSL1,000 ft AGL · standard

Control towerNon-towered

FAA NASR data, cycle 2026-09-03

Check CO23 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.

No, CO23 is a non-towered airport.

CO23 has 1 runway (9/27). The longest runway is 1,200 feet.

CO23 uses the standard traffic pattern altitude of 1,000 feet AGL — about 6,310 feet MSL at a field elevation of 5,313 feet.

CO23 (Ashlawn Airport) has a field elevation of 5,313 feet MSL.

CO23 (Ashlawn Airport) is located in Longmont, CO.