There is a specific alchemy that occurs in the high country between March and June. It is the transition from the "Big Cold"—those mid-winter days of face-numbing wind and frozen boot buckles—to the "Bluebird Cycle." This is the season of "corn snow," a granular, buttery texture created by the daily freeze-thaw cycle that offers arguably the most forgiving turns of the year.
For the 2025 season, the spring outlook is particularly luminous. According to the latest data from NOAA, a strengthening La Niña cycle is currently funneling colder-than-average temperatures and higher precipitation through the Pacific Northwest and the Northern Rockies. This atmospheric conveyor belt has built a massive snow base that isn't just surviving the spring sun; it’s thriving under it. While lower-elevation hills might be packing up the grooming machines, the "Late-Season Kings" from Colorado to British Columbia are preparing for a victory lap that, in several cases, will stretch well into June.
If you are looking to trade your Gore-Tex shell for a Hawaiian shirt, here is where the snow will hold out longest in 2025.
The Late-Season Kings: Resorts Open Until June
These are the outliers—the resorts where "closing day" is a moving target that often lands on or after Memorial Day.
Arapahoe Basin, Colorado
Expected Closing: June 8, 2025 The Vibe: High-altitude tailgate culture.
Known affectionately as "The Legend," A-Basin serves as the North American epicenter for spring skiing. The secret to its longevity is its base elevation of 10,520 feet—higher than many other resorts' summits. This keeps the snow pack refrigerated even when Denver is hitting 80 degrees. The cultural heart of A-Basin in spring is "The Beach," a stretch of parking lots backing up to the lower lifts where grills, costumes, and dogs are the norm.
Expert Insight: In 2025, focus on the East Wall once it softens around 11:00 AM. The high-alpine chutes offer a technical challenge that remains surprisingly crisp well into May.
Mammoth Mountain, California
Expected Closing: Daily through June (Minimum) Key Stat: 762 inches of summit snowfall.
Mammoth is a geographic anomaly. Its summit, sitting at 11,053 feet, catches the full brunt of Pacific moisture. With a staggering 762 inches of snowfall reported at the summit for the 2024/25 season, Mammoth is virtually guaranteed to operate into June, and likely July. For 2025, the mountain has invested heavily in advanced snow management technology, ensuring that the main arteries back to the lodges remain navigable even as the lower fringes begin to green up. Don't miss the "Elevation Mammoth" event in late spring, which celebrates the vibrant LGBTQ+ ski community.
Snowbird, Utah
Expected Closing: May 22, 2025 (with potential weekend extensions) Feature: The Iconic Aerial Tram.
Snowbird's north-facing orientation in Little Cottonwood Canyon protects its snow from the harsh Utah sun. While its neighbor, Alta, typically closes in late April due to US Forest Service leases, "The Bird" flies deep into the spring.

The après scene at the Plaza Deck is the stuff of legend, often featuring live music and a crowd that looks more like a summer festival than a ski resort.
The Montana & Idaho Corridor: Deep Bases and Local Vibes
The Northern Rockies are the biggest beneficiaries of the 2025 La Niña. These resorts offer a rugged, "unplugged" feel compared to the glitz of the southern Rockies.
Big Sky Resort, Montana
Expected Closing: April 27, 2025 The Value Play: Lift tickets as low as $56/day.
Big Sky is a titan of the spring. With the newly upgraded Lone Peak Tram whisking skiers to 11,166 feet, the resort offers access to high-alpine terrain that stays cold long after the valley floor has thawed. One of the most compelling reasons to visit Big Sky in April 2025 is the pricing; while mid-winter rates can be steep, spring lift tickets can drop as low as $56 per day if booked in advance.
- Pros: Massive 5,800-acre footprint; the new Tram experience; significant spring discounts.
- Cons: Lone Peak can be wind-scoured; the mountain is so large you’ll need a map and a plan.
Whitefish Mountain Resort, Montana
Expected Closing: April 6, 2025 The Local Favorite: Uncrowded slopes and the free S.N.O.W. Bus.
Whitefish is for those who find the major corporate resorts too sanitized. It’s a mountain with a soul. While it closes earlier than the June giants, the quality of skiing in late March and early April is often world-class. The resort’s position near Glacier National Park means the scenery is unparalleled.
Sun Valley & Schweitzer
Sun Valley Closing: Late April Schweitzer Closing: April 7, 2025
Sun Valley remains the "Old Hollywood" of ski resorts. The spring vibe here is sophisticated—think long lunches on the terrace of the Roundhouse. Further north, Schweitzer in Idaho is a sleeper hit for 2025. They have introduced a "Spring Fling Pass" specifically for late-season visitors, offering access to 1,200 acres of some of the best tree skiing in the West.
The Canadian Powerhouses: BC & Alberta
In Canada, spring isn't just a season; it’s an institution. The combination of high latitude and massive vertical drops makes British Columbia and Alberta the premier choices for late-season reliability.
Whistler Blackcomb, British Columbia
Expected Closing: May 22, 2025 (Blackcomb Mountain) The Stat: 8,171 acres and North America's second-longest vertical drop.
Whistler Blackcomb is a tale of two mountains. While Whistler Mountain usually winds down in late April, Blackcomb Mountain stays open until late May. The sheer scale here is hard to wrap your head around. You can be skiing a glacier in the morning and playing a round of golf in the village by 3:00 PM. The 2025 La Niña has been particularly kind to BC, piling up a snowpack that ensures the "Peak 2 Peak" gondola ride is a journey over a deep winter wonderland even in May.
Banff Sunshine Village, Alberta
Expected Closing: May 22, 2025 (Slush Cup Monday) The High Ground: Terrain mostly above the treeline.
Banff Sunshine boasts the longest non-glacial ski season in Canada. Because the resort sits on the Continental Divide, it catches snow from both the east and west.

The wide-open, treeless bowls act as a giant sun trap, making this the best place in North America to work on your "goggle tan." The season culminates in the famous "Slush Cup," where participants try to skim across a pond of freezing meltwater.
Lake Louise, Alberta
Expected Closing: May 7, 2025 The Backdrop: Victoria Glacier views.
Lake Louise offers what many consider the most beautiful backdrop in skiing. In the spring, the "Shake the Lake" festival brings a party atmosphere to the base area, but the real draw is the back bowls.

Even in May, the views of the frozen Victoria Glacier and the turquoise (though still frozen) lake are enough to make you forget about the burn in your quads.
The Best of the Rest: Colorado and Utah Gems
| Resort | Expected Closing | Pass Type | Unique Spring Draw |
|---|---|---|---|
| Palisades Tahoe, CA | May 26, 2025 | Ikon | Pond skimming at Cushing Crossing |
| Loveland, CO | May 5, 2025 | Partner / Indy | Free Snowcat access to the Ridge |
| Snowbasin, UT | April 16, 2025 | Ikon | Luxury lodges and empty slopes |
Palisades Tahoe, California
Formerly Squaw Valley, this resort is the spiritual home of the "Ski and Surf" lifestyle. With a Memorial Day closing date, Palisades Tahoe is famous for its "Spring Skiing Capital" designation. The 6,000 acres of terrain offer everything from steep chutes to mellow cruisers, all soaked in the California sun.
Snowbasin, Utah
While it closes earlier than Snowbird, Snowbasin is the connoisseur’s choice. It offers the same legendary Utah powder but with a level of luxury and infrastructure—thanks to its history as an Olympic venue—that few can match.

The lodges here feature Italian marble and crystal chandeliers, a stark and welcome contrast to the rugged spring mountains outside.
Essential 2025 Spring Skiing Tips
Navigating the spring mountain requires a different strategy than mid-winter. It’s a game of timing and temperature.
1. Follow the Sun The "Freeze-Thaw" cycle is your best friend and your worst enemy. In the morning, the snow will be bulletproof ice. As the sun hits each face, it "softens" into perfect corn. Start on the east-facing slopes in the morning, move to south-facing by midday, and finish on the west-facing runs in the afternoon.

2. Hydrate and Protect At 10,000 feet, the sun is significantly more intense than at sea level. The snow reflects up to 80% of UV radiation back at your face. High-SPF sunscreen and polarized goggles are non-negotiable.
3. Check Parking and Reservations Many resorts, including those under the Vail Resorts (Epic) and Alterra (Ikon) umbrellas, have moved to reservation-based parking. Even in the late season, weekend spots can fill up fast at places like Keystone or Park City. Always check the resort's app 48 hours before arrival.
FAQ: Your 2025 Spring Skiing Questions Answered
Which ski resorts stay open until June in 2025? Arapahoe Basin in Colorado is the most reliable bet, with an expected closing of June 8. Mammoth Mountain in California is also a guarantee for June operations thanks to its 700+ inch snowpack. Snowbird (Utah) and Palisades Tahoe (California) often extend their seasons into June depending on late-May weather.
How does La Niña affect the 2025 ski season? In 2025, La Niña has directed the majority of storm tracks toward the North and Northwest. This has resulted in above-average snowpacks for British Columbia, Washington, Oregon, Idaho, and Montana. This deep base takes much longer to melt, providing a more stable and extensive terrain offering for late-season skiers.
Are spring lift tickets cheaper? Generally, yes. Many resorts offer "Spring Passes" or discounted daily tickets once the peak season ends in mid-March. For example, Big Sky Resort sees prices drop to as low as $56 per day in April. Independent mountains like Loveland and Schweitzer also offer significant late-season value compared to the January/February rush.
The 2025 season is not ending; it’s just changing its wardrobe. From the high-altitude tailgates of Colorado to the glacial vistas of British Columbia, the best turns of the year are often the ones you make in May. Grab your wax, find your sunniest goggles, and head north.





