📷 Mammoth Mountain
North America
Mammoth Mountain
Fair · 2025-26 season average
Closed for the season · average of 70 verified open days
Best months to book: February, January, March · last season + 30-yr record
Scroll for happiness
Closed for the season — closed June 7
Weather data is still collected for informational purposes.
Last Snowfall
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Past 24 Hours
0cm
Past 48 Hours
0cm
Past 10 Days
0cm
7-Day Forecast
0cm
Snow Depth
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Powder Days
1
2026–27 season
Fair
2025-26 season average
Mammoth Mountain is closed for the season. Last season it averaged 22.5 across 70 verified open days.
February
#1 to book
88cm avg
January
#2 to book
87cm avg
March
#3 to book
73cm avg · scored 14.3
Best weeks to book
- #120 Mar – 25 Marscored 14
- #227 Mar – 2 Aprscored 18.4
- #310 Apr – 16 Aprscored 34.4
Ranked on 25% last season's SnowSure score (2025-26) · 75% 30-year snowfall and base-depth record. Last season's strongest fortnight was 10 Apr – 23 Apr. One season describes what happened, not what to expect. The live score returns when the lifts turn.
Current Conditions
Reported Sat, Sep 12, 09:00 PM UTC
Terrain Open
Closed for the season
Season ended June 7, 2026
178 runs · 25 lifts — live counts and the SnowSure™ Score return when the lifts turn.
Days 8–14 and every model are in SnowSure Pro.
Unlock with ProHistorical data from Open-Meteo archive • Forecast: SnowSure™ multi-model blend
Maps
Snow forecast maps
Trail mapAll maps for Mammoth Mountain →
Webcams & Proof of Powder
Tamarack / Twin Lakes
Outpost / Hemlocks
McCoy Station / Chair 3All webcams & Proof of Powder →
About Mammoth Mountain
Mammoth Mountain is a premier ski resort located in California’s Eastern Sierra, offering over 3,500 acres of skiable terrain and a summit elevation of 11,053 feet. The resort features a long winter season, diverse runs for all abilities, modern lift infrastructure, and a vibrant base village with dining, lodging, and après-ski options. Signature experiences include expansive alpine views, terrain parks, and access to year-round mountain activities, making it a standout destination for both winter sports enthusiasts and families.
Read the full resort guide →Frequently asked questions about Mammoth Mountain
- Where is Mammoth Mountain?
- Mammoth Mountain is a ski resort in the United States.
- How high is Mammoth Mountain?
- Mammoth Mountain runs from a base elevation of 2,424 m (7,953 ft) to a summit of 3,369 m (11,053 ft), giving a vertical drop of 945 m (3,100 ft).
- How big is Mammoth Mountain?
- Mammoth Mountain has 3,500 acres (1,416 hectares) of skiable terrain, 178 marked runs and 25 lifts.
- Which ski pass covers Mammoth Mountain?
- Mammoth Mountain is on the Ikon Pass. Access terms such as blackout dates and day limits vary by pass tier, so check the pass operator for the current season.
- When is ski season at Mammoth Mountain?
- Mammoth Mountain typically operates from November to June. Exact opening and closing dates shift each year with snowfall — check the resort's current season dates before booking.
- How much snow does Mammoth Mountain get in a typical season?
- Mammoth Mountain averages 400 inches / 1016 cm of snowfall in a typical season. Any individual season can run well above or below that.
- How will El Niño affect Mammoth Mountain in winter 2026-27?
- El Niño Signal Rank: #249 of 488 SnowSure resorts · Tier C · strong-event signal -3% vs its own 30-yr average. In the three strongest El Niño winters on record ('97-98, '15-16, '23-24), Mammoth Mountain averaged -3% versus its own 30-year snowfall baseline — effectively ENSO-proof. Mammoth Mountain has held within a few percent of normal across every phase of the Pacific cycle, making it one of the safest bets of a record El Niño winter 2026-27. Analog winters: '97-98 -4%, '15-16 -32%, '23-24 +27%.
