Mammoth Yosemite Airport (KMMH), California
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Mammoth Yosemite Airport (KMMH) sits at 7,135 feet elevation in mountainous terrain near Mammoth Lakes, California, serving business aviation traffic bound for the Eastern Sierra. The field is non-towered and operates one paved runway, 09/27, at 7,000 feet long. Nearest customs clearance is available at KFAT, roughly 66 nautical miles away, since no customs service is onsite at KMMH.
Runways
Mammoth Yosemite Airport has one paved runway, 09/27, 7,000 ft long and 100 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Source: FAA Form 5010.
Fuel and airfield services
Mammoth Yosemite Airport has Jet A and 100LL available on the field. Fueling is available from 8am to 4:30pm, daily, and the airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Mammoth Yosemite Airport does not clear customs. The nearest port of entry is Fresno Yosemite International (KFAT), 66 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Mammoth Yosemite Airport recorded 2,818 business aviation movements in 2025. Traffic peaks in January, February and March. Business aviation traffic at KMMH concentrates in the winter months of January through March, with a secondary falloff through the fall months of September and October.
Business jet movements, FAA TFMSC count. Peak month March, 340 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Mammoth Yosemite Airport averages 0.3 days above 90°F in July and 30.4 freeze days in January. July is the warmest month, with average highs of 77.8°F, and February the coldest, at 41.0°F.
Weather station is 6.0 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Mammoth Yosemite Airport has published operating constraints in five categories: access, runway notes, noise procedures, pavement strength and other notes.
A ridge is located 3 nautical miles from the approach end of runway 09.
Snow removal is not performed during night hours (1630-0700 local) without prior permission.
A 33-foot pole is located 400 feet west of the approach end of runway 27 and 375 feet south of the runway 27 centerline, marked with an obstruction light.
Approach reference code is B/III/5000; departure reference code is B/III.
Activate the REIL for runway 27 and the MIRL for runway 09/27 on the CTAF.
The ridge near runway 27 rises 304 feet above the runway and lies 1,200 feet north of centerline, marked with hazard beacons.
The airport is located in mountainous terrain with occasional strong winds and turbulence. Lighted windsocks are available at the runway ends and at centerfield. With southerly crosswinds in excess of 15 knots, expect turbulence and possible windshear along the first 3,000 feet of runway 27.
Noise abatement: aircraft arriving from the south, or departing to the south, should remain east of Highway 395.
PCR VALUE: 370/F/C/X/T
100LL fuel is available 24 hours through a card lock system.
Night flying is not recommended without knowledge of the local terrain.
For clearance delivery, if unable to contact on the FSS frequency, contact Oakland ARTCC.
Source: FAA Chart Supplement.
Nearby airfields
Mammoth Yosemite Airport has two airfields within 37 NM. The closest is Bishop (KBIH), 27.19 NM southeast.
Source: Skystar calculation from official coordinates.
Skystar at KMMH
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$2,400.00 catering order at KMMH.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
It does not move with the size of the order.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
What is the runway length and surface at KMMH?
Mammoth Yosemite Airport has a single paved runway, designated 09/27, measuring 7,000 feet long and 100 feet wide with an asphalt surface. This is also the airport's maximum paved runway length. The runway supports business jet traffic despite the airport's high elevation of 7,135 feet, though density altitude effects should factor into performance planning. No parallel or crosswind runway exists at KMMH, so wind conditions along this single strip are operationally significant.
Are there terrain or wind hazards to know about at KMMH?
Mammoth Yosemite Airport is located in mountainous terrain with occasional strong winds and turbulence. A ridge sits 3 nautical miles from the approach end of runway 09, and another ridge near runway 27 rises 304 feet above the runway, 1,200 feet north of centerline, marked with hazard beacons. Southerly crosswinds exceeding 15 knots can produce turbulence and possible windshear along the first 3,000 feet of runway 27. Night flying is not recommended without prior knowledge of the local terrain.
What customs arrangement applies at KMMH?
Mammoth Yosemite Airport (KMMH) has no customs service onsite. The nearest customs facility is at KFAT, located approximately 66 nautical miles away. Operators requiring customs clearance for international arrivals must plan a stop at KFAT or another customs-equipped airport rather than clearing directly at Mammoth. This distance should be factored into routing and fuel planning for any flight requiring inbound clearance near the Eastern Sierra.
What fuel is available at KMMH?
Mammoth Yosemite Airport stocks both 100LL and Jet A fuel. The 100LL fuel is available 24 hours through a card lock system, allowing self-service access outside staffed hours. The airport's staffed attendance schedule runs 0800 to 1630 daily. Operators arriving outside these hours should confirm Jet A availability and card lock access procedures in advance, since staffed fuel service does not extend around the clock.
Is there a noise abatement procedure at KMMH?
Yes, Mammoth Yosemite Airport has a noise abatement procedure for traffic to and from the south. Aircraft arriving from the south, or departing to the south, are instructed to remain east of Highway 395. This procedure applies specifically to southbound routings and should be incorporated into approach and departure planning at KMMH. The restriction reflects the airport's proximity to the highway corridor along its southern boundary.