Grasmere Airport (U91) — Grasmere, ID
Grasmere Airport (U91)
U91
Grasmere Airport (U91)
Grasmere, ID
Grasmere Airport (U91) is a public-use airport located in Grasmere, ID. The airport sits at an elevation of 5144 feet above mean sea level. It features 1 runway. Aviation communications are supported by 1 published radio frequency.
| FAA Information Effective | 2026-09-03 |
| Airport Identifier | U91 |
| Airport Status | Operational |
| Longitude/Latitude |
115°52'46.0000"
W /
42°22'23.9000"
N -115.879444 / 42.373306 (Estimated) |
| Elevation | 5144.00 ft / 1567.89 m (Estimated) |
| Land | 35 acres |
| Location | Owyhee County, ID |
| Magnetic Variation | 16E (1985) |
| Airport Use | Open to public |
| Wind indicator | Yes |
| Segmented Circle | Yes |
| Control Tower | NON-ATCT |
| Landing fee charge | No |
| Sectional chart | SALT LAKE CITY |
| Region | ANM - Northwest Mountain |
| Responsible ARTCC | ZLC - SALT LAKE CITY |
| Tie-in FSS | BOI - BOISE |
| FSS on Airport | No |
| FSS Toll Free | 1-800-WX-BRIEF |
| NOTAMs Facility | BOI (NOTAM-d service available) |