What is the longest runway at U91?

Grasmere Airport has 1 runway; the longest is runway 05/23 at 2,750 ft.

What surface are U91's runways?

Grasmere Airport's runway is dirt.

Grasmere Airport runways

Grasmere Airport (U91) in Grasmere, ID has 1 runway , the longest 05/23 at 2,750 ft (dirt). Dimensions, headings, lighting, and instrument approaches for each below.

Runway 05/23

2,750 ft × 150 ft · Dirt (Fair)

Heading: n/a
Threshold elev: 5,144 ft
Traffic pattern: Left

Heading: n/a
Threshold elev: 5,127 ft
Traffic pattern: Left

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