Eastern Sierra Ski Resorts
Researched September 17, 2026 against National Park Service and Caltrans road information, resort-published air-service schedules and California Ski Industry Association figures · road and flight details are perishable, so we say where each one came from
The Eastern Sierra is the one California ski region where getting there is the hard part, and the map will actively mislead you. Mammoth and June sit on the far side of a mountain range that closes for the winter.
Tioga Road — Highway 120 through Yosemite — is closed from about November through late May or early June. That is the entire ski season. Sonora Pass and Ebbetts Pass close for winter too. There is no trans-Sierra crossing south of Lake Tahoe once the snow arrives, so from the Bay Area you go the long way round, north or south, and US-395 is the only realistic corridor.
What you get for the drive: 5,000 skiable acres across two mountains, the highest lift-served summit in California at 11,053 feet, and the deepest published snowfall average in the state at 400 inches.
Why the direct route does not exist in winter
Look at a map in September and Mammoth appears to be a straightforward drive east from the Bay Area across Yosemite. Look at the same map in January and it is a fiction.
The National Park Service is unambiguous: Tioga Road, Highway 120 through the park from Crane Flat to Tioga Pass, "is usually closed from November through late May or early June." It does not open for a warm spell. It does not open for the holidays. It is shut for the season.
The clearest illustration of what that means is the Park Service's own documented detour for travellers who need to get between Yosemite Valley and the eastern side while Tioga is closed: 390 to 410 miles, about 8 hours. A crossing that takes a couple of hours in summer becomes a day of driving.
And Tioga is not the only one. Caltrans closes Sonora Pass (State Route 108) and Ebbetts Pass (State Route 4) for the winter as well, typically announcing both in November. Ebbetts is the road to Bear Valley from the east side; the resort is reached from the west in winter.
So the practical geography is simple and nobody states it plainly: between Lake Tahoe and the Tehachapis, the Sierra Nevada has no winter road across it.
Which way you actually drive
From Southern California
Straight up US-395. This is the easy direction and always has been — roughly 310 miles from Los Angeles, no Sierra crossing required because you are already on the eastern side of the range.
From the Bay Area or Sacramento
North over Donner Summit on I-80, then south on US-395 — you cross the Sierra where the interstate crosses it, at the one place that is kept open as a top priority. The alternative is south through the Central Valley and around, which is longer.
Either way you are driving around the range, not through it.
The consequence
Mammoth is a weekend-minimum trip from Northern California and a comfortable day-plus drive from Southern California. If you are in the Bay Area and want a day trip, you want Tahoe or the Central Sierra, not Mammoth.
Because your route crosses Donner Summit, the Tahoe corridor rules apply to a Mammoth trip too. That means chain controls on I-80 and the possibility of the pass closing entirely in a storm — which strands a Mammoth trip just as effectively as a Tahoe one. Our chain control guide covers the R1/R2/R3 levels, and Caltrans QuickMap is the thing to check the morning you leave.
Does flying actually help?
This is the question the region's own marketing answers optimistically, so here is the version with the caveats attached.
| Airport | Distance | Winter service 2026-27 | The catch |
|---|---|---|---|
| Mammoth Yosemite (MMH) | About 15 minutes from town | Advanced Air, Thu / Fri / Sat / Sun, Nov 25 2026 – Apr 26 2027, from selected Southern California airports including Carlsbad and Hawthorne | Semi-private charter, not a scheduled network airline. Only useful if you are starting in Southern California |
| Bishop (BIH) | 45 miles south of Mammoth Lakes | None | United serves Bishop in summer and shoulder season only — daily from SFO June 25 to September 8, with limited days either side. It is not a winter option |
The trap worth naming: you cannot fly commercially from the Bay Area to the Eastern Sierra in ski season. Bishop's United service is summer-only, and Mammoth's winter flights originate in Southern California. If you are flying from Northern California the realistic answer is Reno, then drive south on US-395 — which is most of the drive you were trying to avoid.
The two mountains
Both figures below are California Ski Industry Association data, so they are directly comparable with the numbers on our other regional guides.
| Mammoth Mountain | June Mountain | |
|---|---|---|
| Skiable acres | 3,500 | 1,500 |
| Vertical drop | 3,100 ft | 2,590 ft |
| Base / summit | 7,953 / 11,053 ft | 7,545 / 10,090 ft |
| Runs | 175 | 41 |
| Lifts | 28 | 7 |
| Average annual snowfall | 400 in | 250 in |
| Terrain | — | 15% beginner, 40% intermediate, 45% advanced, 0% expert |
| Longest run | — | Silverado, 2 miles |
Mammoth is the outlier in California skiing on three separate measures — the highest lift-served summit at 11,053 feet, the deepest snowfall average at 400 inches, and consequently the longest season. In 2026 it ran 199 days and was the last California resort still turning lifts. It is also targeting November 13 for 2026-27, ahead of every other region in the state.
June is the one people underrate. 2,590 feet of vertical is more than any ski area in Southern California, on a mountain with seven lifts and a fraction of Mammoth's traffic. It is about 20 miles north on US-395. Worth knowing before you go: June publishes no expert terrain at all and only 15% beginner, so it is a mountain for confident intermediates and advanced skiers — not the place to put a first-timer.
Both are on the Ikon Pass. Our full Mammoth resort guide and Mammoth lodging guide go deeper on the mountain itself.
When to go, given the drive
The long approach changes the calculus in a way it does not for Tahoe. If you are committing six hours or more each way, the downside of arriving into poor conditions is much larger — so the Eastern Sierra rewards booking later and more opportunistically than most people do.
Two things work in your favour. Mammoth opens earlier and closes later than anywhere else in California, so the bookable window is the widest in the state. And its spring season is genuinely long — in a good year it is still running when every other California resort has shut, which means late-season trips are a real option rather than a gamble.
Check the snow forecast and opening dates before committing to dates.
Eastern Sierra skiing — frequently asked questions
How do you get to Mammoth in winter?
By road, on US-395, and there is no shortcut. The direct Sierra crossing — Tioga Road on Highway 120 through Yosemite — is closed from about November through late May or early June every year, and the other trans-Sierra highways south of Lake Tahoe close seasonally too. From Southern California you drive north on US-395. From the Bay Area or Sacramento you go north over Donner Summit on I-80 and then south on US-395, or south through the Central Valley and around, because you cannot cross the range in between. Check Caltrans QuickMap before you leave.
Is Tioga Pass open in winter?
No. The National Park Service states that Tioga Road, Highway 120 through Yosemite from Crane Flat to Tioga Pass, is usually closed from November through late May or early June. That covers the entire ski season. The Park Service documented detour when it is closed runs 390 to 410 miles and takes about 8 hours, which is the clearest illustration of why the map is misleading if you plan a winter trip from it.
Can you fly to Mammoth?
Yes, but read the detail. Mammoth Yosemite Airport is about 15 minutes from town and is served by Advanced Air on Thursdays, Fridays, Saturdays and Sundays from 25 November 2026 to 26 April 2027, flying from selected Southern California airports including Carlsbad and Hawthorne. That is semi-private charter service, not a scheduled network airline, and it only helps if you are starting in Southern California. Bishop Airport, 45 miles south, has United service but it is summer and shoulder season only, so it is not a winter option.
How many ski resorts are in the Eastern Sierra?
Two lift-served ski areas: Mammoth Mountain and June Mountain. Together they total about 5,000 skiable acres between just two mountains, and Mammoth alone is larger than all six Southern California ski areas combined. Note that some lists file Mammoth and June under Southern California — they are in Mono County, in the Eastern Sierra, roughly 310 miles from Los Angeles.
Is June Mountain worth it if you have a Mammoth pass?
For many people yes, and for a specific reason: June publishes 1,500 skiable acres and 2,590 feet of vertical, which is more vertical than any ski area in Southern California, on a mountain that is far quieter than Mammoth. It publishes no expert terrain at all, 15 percent beginner and 45 percent advanced, so it suits confident intermediates and advanced skiers rather than first-timers. It is about 20 miles north of Mammoth on US-395.
Why does Mammoth have the longest ski season in California?
Elevation and snowfall. Mammoth tops out at 11,053 feet, the highest lift-served summit in California, and publishes a 400 inch average annual snowfall, the deepest of any California resort. The combination means it holds snow later than anywhere else in the state. In 2026 it ran 199 days and was the last California resort still turning lifts.
When does Mammoth open for 2026-27?
Mammoth is targeting 13 November 2026, which is earlier than any other California region. Southern California resorts are targeting 21 November at the earliest, and that gap is structural rather than incidental: Mammoth opens when it snows, while the Southern California resorts open when the nights get cold enough to make snow.
How we sourced this
The Tioga Road closure window and the 390-410 mile, roughly 8-hour detour are the National Park Service's own published figures. The Sonora Pass and Ebbetts Pass winter closures are Caltrans District 10 announcements. Air service — the carrier, the days, the 25 November 2026 to 26 April 2027 window and the originating airports — is from Mammoth Mountain's own air travel page, as is the Bishop summer-only United schedule.
Acreage, vertical, elevation, run and lift counts and snowfall averages are California Ski Industry Association figures, chosen so this page is comparable with our Lake Tahoe, Central Sierra and Southern California guides rather than stitched together from different methodologies.
Road and flight details are the most perishable things on this site. Schedules change, passes reopen early in light years and close early in heavy ones, and charter routes get added and dropped. Confirm with Caltrans and the carrier before you rely on any of it.
Plan the trip
Check the road before the mountain — in this region it is the road that decides.
Resort mapChain controlSnow forecastOpening datesTerrain and snowfall figures are California Ski Industry Association data. Road closures are National Park Service and Caltrans information; air schedules are the resort's published figures for 2026-27. All are perishable — check Caltrans QuickMap and the carrier before travelling. SnoCal is not affiliated with any California ski resort, airline or pass operator.