Mammoth Yosemite Airport (MMH) — Mammoth Lakes, California

Mammoth Yosemite Airport (IATA: MMH, ICAO: KMMH, FAA Identifier: MMH) serves the Eastern Sierra Nevada region from its base in Mammoth Lakes, Mono County, California. Sitting at an elevation of 7,135 feet (2,175 meters) above sea level, MMH ranks among the highest-elevation commercial service airports in the state of California, presenting unique operational considerations for pilots and airlines alike. The airport is owned and operated by the Town of Mammoth Lakes, reflecting the community's commitment to maintaining reliable air access to one of California's premier mountain resort destinations.

Airport Location and Setting

Mammoth Yosemite Airport occupies a high-desert plateau in the Long Valley region, positioned at the gateway to both Mammoth Mountain ski resort and the summer recreation corridor leading toward Yosemite National Park's eastern approaches. The airport sits roughly 3 miles east of the Mammoth Lakes town center, accessed via Airport Road off U.S. Highway 395, the primary north-south artery through the Eastern Sierra.

Mono County's high-altitude terrain shapes nearly every aspect of MMH operations. Aircraft require longer takeoff rolls at elevation due to reduced air density, runway 07/25 stretches 7,000 feet in length to accommodate these performance requirements. The single paved runway, oriented roughly east-west, aligns with the prevailing wind patterns across the Long Valley Caldera. Mountain wave turbulence, rapidly changing weather, and winter snowpack are routine factors that pilots and dispatchers must account for when scheduling flights into and out of MMH.

Commercial Service History

Mammoth Yosemite Airport has hosted scheduled commercial air service connecting Mammoth Lakes to major California markets. United Express, operated by SkyWest Airlines, has provided service linking MMH to Los Angeles International Airport (LAX), offering a critical lifeline for ski tourists and business travelers who would otherwise face a 5-to-6-hour drive from the Los Angeles Basin. The roughly 45-minute flight over the Sierra Nevada dramatically reduces travel time compared to the mountain highway routes, particularly valuable during winter months when chain controls and storm closures can affect Highway 395 and the passes leading west.

Commercial service at MMH has historically operated on a seasonal basis, with peak activity aligned to the Mammoth Mountain ski season running roughly November through May, and supplemental summer service supporting Yosemite-region visitors. Passenger volumes are closely tied to snowpack conditions and resort occupancy, creating a demand profile distinct from year-round urban airports. The Town of Mammoth Lakes has worked to sustain and expand commercial service as part of broader economic development efforts for the region.

FBO and General Aviation Services

Mammoth Yosemite Airport's Fixed Base Operator (FBO) provides essential services for general aviation aircraft operating in the Eastern Sierra. Services available through the MMH FBO include aviation fuel (100LL and Jet-A), aircraft parking and tie-down, pilot lounge access, weather briefing facilities, and ground transportation coordination. The FBO serves a steady stream of private aircraft bringing skiers, hikers, anglers, and resort guests directly to Mammoth Lakes, bypassing congested mountain highway corridors entirely.

Charter operators also utilize MMH as a base for scenic flights over the Sierra Nevada, Mono Lake, and the Owens Valley. The airport's high elevation and clear high-desert air create favorable conditions for aerial sightseeing when weather permits. Aircraft owners based locally rely on the FBO for maintenance coordination, as Mammoth's remote location requires careful preflight planning and access to reliable fuel and support infrastructure.

Serving Eastern Sierra Nevada Recreation

The airport's informal name, Mammoth Yosemite Airport, captures its dual role as gateway to two of California's most iconic destinations. During winter, MMH channels visitors directly to Mammoth Mountain, one of North America's largest ski resorts, with over 3,500 skiable acres, 28 lifts, and a summit elevation exceeding 11,000 feet. Airlines and charter operators time their schedules around powder days and holiday booking surges, making MMH a weather-sensitive operation that requires flexible scheduling from all stakeholders.

In summer, the airport shifts focus to support hikers, backpackers, and family visitors heading to Devils Postpile National Monument, June Lake Loop, Hot Creek Geological Site, and the eastern Yosemite trailheads accessible via Tioga Pass. Anglers targeting the famous Eastern Sierra trout fishery on the Owens River and Hot Creek also arrive at MMH throughout the warmer months. The airport's year-round strategic value to Mono County makes sustained commercial and general aviation service a regional economic priority.

Nearby Airport Locations and Regional Context

Travelers in the greater California air network connecting to MMH may also encounter related facilities and services as part of their broader journey. Livermore Municipal Airport serves the East Bay and offers general aviation connections for Bay Area travelers planning Eastern Sierra trips. Meadowlark Airport provides additional private aviation infrastructure in the Northern California network. For travelers routing through the Oakland hub, Clean Energy Oakland International Airport and Oakland Airport Security represent key nodes in the regional aviation system. Ground transportation connections, including services like Direct Airport Shuttle, help bridge the gap between major hubs and regional airports like MMH for travelers arriving from multiple directions.

Mammoth Yosemite Airport - MMH Contact Information

Address, Phone Number, and Hours for an Airports in Mammoth Lakes, California.

Name Mammoth Yosemite Airport - MMH
Address Airport Road, Mammoth Lakes CA 93546 Map
Phone (760) 934-8989
Website
Hours

Map of Mammoth Yosemite Airport - MMH


Airports near Mammoth Lakes

Frequently Asked Questions — Mammoth Yosemite Airport (MMH)

Mammoth Yosemite Airport has received scheduled commercial service from United Express, operated by SkyWest Airlines, connecting MMH to Los Angeles International Airport (LAX). The LAX-MMH route covers approximately 280 miles and takes roughly 45 minutes in the air, a dramatic improvement over the 5-to-6-hour drive through mountain terrain. Commercial service has historically operated on a seasonal schedule aligned with the Mammoth Mountain ski season. Travelers should check current airline offerings directly, as service schedules at MMH respond to seasonal demand and snowpack conditions.

MMH sits at 7,135 feet (2,175 meters) above sea level because the airport is built on the high-desert plateau of the Long Valley region in Mono County, surrounded by the Eastern Sierra Nevada. At this elevation, air density is significantly lower than at sea-level airports, which reduces aircraft engine performance and aerodynamic lift. To compensate, runway 07/25 at MMH extends 7,000 feet in length, giving aircraft the distance needed for safe takeoff rolls under high-density-altitude conditions. Pilots must carefully calculate weight, fuel load, and temperature when operating in and out of MMH, and airlines flying the route use aircraft with performance capabilities suited to high-altitude operations.

Mammoth Yosemite Airport operates year-round as a general aviation facility, with commercial service availability varying by season and airline schedules. Winter weather in Mammoth Lakes — including heavy snowfall, reduced visibility, and mountain wave turbulence — can cause flight delays or cancellations at MMH. The Town of Mammoth Lakes maintains active snow removal and runway clearing operations to keep the airport operational through the ski season. Travelers planning to fly into MMH during winter storms should monitor flight status closely and have contingency plans, as weather-related disruptions are more frequent here than at lower-elevation California airports.

Mammoth Yosemite Airport is located approximately 3 miles east of central Mammoth Lakes, making ground transportation to Mammoth Mountain's ski lodges and village a short trip. Rental cars are available at the airport through local providers. Taxi and ride-share services operate in Mammoth Lakes, and during peak ski season, shuttle services connect the airport to major resort lodging areas. The Mammoth Lakes Transit system provides public bus service within the town. Travelers arriving via private or charter aircraft can arrange FBO-coordinated ground transportation. Given the airport's proximity to the ski village, most resort-bound travelers reach their accommodations within 15 to 20 minutes of landing.

Yes, Mammoth Yosemite Airport is fully open to private and charter aircraft and serves a substantial general aviation population. The airport's FBO provides aviation fuel including 100LL avgas and Jet-A, aircraft tie-down and hangar space, pilot lounge facilities, and ground transportation assistance. Charter operators frequently bring groups of skiers directly to MMH, avoiding highway congestion entirely. Pilots operating into MMH should review current NOTAMs, obtain a thorough weather briefing accounting for Sierra Nevada mountain weather patterns, and calculate density-altitude performance carefully given the airport's 7,135-foot elevation. The FBO staff are experienced with the specific demands of high-altitude Eastern Sierra operations and can assist visiting pilots with local area information.

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