Mammoth Mountain is the stronger all-round pick here — it offers more vertical than Sunday River. That said, Sunday River is no slouch, and beginners may prefer what it offers. For most holiday skiers, Mammoth Mountain delivers more mountain for your trip.
Highlighted cells indicate the stronger result for each metric. Numbers are measurements — compare them directly.
| Mammoth Mountain | Sunday River | |
|---|---|---|
Vertical Drop Height from top to bottom — more is a longer, bigger mountain feeling | 917m (3,009ft) | 631m (2,070ft) |
Summit Elevation How high the mountain reaches — higher tends to mean colder, drier snow | 3,369m (11,053ft) | 953m (3,127ft) |
Base Elevation Height of the base village — affects snow quality at the bottom of the mountain | 2,424m (7,953ft) | 322m (1,056ft) |
Annual Snowfall Average natural snowfall per season — more means better powder odds | 1,016cm (400in) | 410cm (161in) |
Trail Count Total marked runs — more variety over a week-long trip | 175 | 139 |
Lift Count Total lifts — more lifts typically means shorter queues and better mountain access | 25 | 18 |
Skiable Area Total groomed and patrolled terrain in hectares | 1,416ha (3,499ac) | 354ha (875ac) |
Beginner Terrain Percentage of trails rated beginner — higher means more options for new skiers | 25% | 25% |
Intermediate Terrain Percentage of trails rated intermediate — the core terrain for most holiday skiers | 40% | 40% |
Advanced Terrain Percentage of trails rated advanced or expert — higher means more challenge | 35% | 35% |
Mammoth Mountain has a clear edge across most measurable categories. It's the stronger choice for most skiers making this comparison.
Mammoth Mountain has somewhat more vertical drop, giving a slightly longer ride on most runs.
Mammoth Mountain gets substantially more snow each season — a meaningful edge for powder seekers and late-season skiing.
Both resorts offer a similar proportion of beginner terrain — neither has a meaningful edge for first-timers.
Mammoth Mountain is noticeably larger, with more trails to explore over a multi-day trip.
Mammoth Mountain's higher base elevation helps snow stay cold and dry longer — better conditions through the day and into spring.
Mammoth Mountain has a comparable amount of beginner-friendly terrain and is a lower-pressure environment for new skiers.
Mammoth Mountain wins on the stats that matter most for experienced skiers — more mountain to explore over a full week.
Mammoth Mountain gets more snow annually — better odds of fresh powder and better conditions into late season.
Both resorts offer a similar amount of beginner terrain (Mammoth Mountain: 25%, Sunday River: 25%), so neither has a clear edge for first-timers. Focus on which resort offers better ski school programs and convenience for your group.
Mammoth Mountain gets more snow on average. That translates to better powder days, longer seasons, and more reliable conditions throughout January and February.
Mammoth Mountain is the larger mountain by trail count (Mammoth Mountain: 175 trails, Sunday River: 139 trails). On a week-long trip, a bigger mountain means more variety and a lower chance of feeling like you've exhausted the terrain.
Both resorts offer a similar proportion of advanced terrain (Mammoth Mountain: 35%, Sunday River: 35%). Expert skiers should look beyond percentages at the quality of the black runs, off-piste access, and whether there's lift-accessed backcountry terrain.
Both Mammoth Mountain and Sunday River are similarly suited to families. Look at ski school quality, on-mountain kids' facilities, and accommodation proximity to lifts when making your final decision — those practical factors matter more than raw stats for a family trip.
Other matchups featuring these resorts and their regional peers.