What is the longest runway at 23S?

Seeley Lake Airport has 1 runway; the longest is runway 16/34 at 4,575 ft.

What surface are 23S's runways?

Seeley Lake Airport's runway is turf.

Seeley Lake Airport runways

Seeley Lake Airport (23S) in Seeley Lake, MT has 1 runway , the longest 16/34 at 4,575 ft (turf). Dimensions, headings, lighting, and instrument approaches for each below.

Runway 16/34

4,575 ft × 75 ft · Turf (Excellent)

Heading: 162° mag · 180° true
Threshold elev: 4,256 ft
Traffic pattern: Left

Heading: 342° mag · 0° true
Threshold elev: 4,180 ft
Traffic pattern: Left

Runway data from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources.