Mount Bullion’s Mariposa–Yosemite Airport: Runway, Weather and Public Parking Details

MOUNT BULLION, MARIPOSA COUNTY — November 9, 2026. Mariposa County’s aviation page lists runway 08/26 at 3,305 by 60 feet, airport identifier KMPI, a weather phone number and free parking outside the gate.

An airport connected to Mount Bullion

Mariposa County owns and manages Mariposa–Yosemite Airport, next to the Mount Bullion community. The county lists its address as 5020 Macready Way, Mariposa, CA 95338, and identifies the field by the aviation code KMPI. It is an aviation facility for local and visiting pilots; the general public should not treat the runway or secured operations area as a walking route.

Published technical specifications

The county airport page lists runway 08/26 at 3,305 feet long and 60 feet wide, with an elevation of approximately 2,250 feet above mean sea level. It lists CTAF 122.7 and automated weather observations on 135.6, with recorded weather available at (209) 966-2912. Aviation frequencies, operating restrictions and conditions must be independently verified by pilots through official preflight sources.

Parking and visitor information

According to the county, public parking outside the airport gate is free, while secured parking inside the gate is available for a fee. Fuel is available, but the county specifically advises checking current price information before arrival. The website also references local aviation businesses and recreational programs whose pricing and availability are separate from county facility information.

What this means for the area

Airport access can affect local transportation, emergency operations and neighboring land use. A published facility description does not mean there is regular scheduled passenger airline service or that any sightseeing flight is operating on the day of a visit. Residents can ask the county about public airport meetings, impacts or access rules.

Source and editorial scope

Mariposa County — Mariposa–Yosemite Airport (KMPI). This is a source-attributed local public-information report, not an independent on-site inspection. Dates, eligibility, conditions and services can change. To provide a documented correction or on-the-record update, use this newspaper’s Contact page.

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