Where Mammoth Mountain’s numbers come from
79 observations from 8 publishers behind 26 figures. Each row gives the figure we publish, how many sources gave one and how many agree; open it for what each said.
Figures
11/11 core figures collected.
Summit elevation11,053 ft6 sources6 of 6 agreefrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Mammoth Mountain — About Mammoth Mountain ResortsOct 2026“ighest lift-served four-season resort and playground with a summit at 11,053 ft. With 300 days of sunshine annually, the Eastern Sierra offe”
OnTheSnow — Mammoth Mountain Ski Resort Area OverviewSep 2026“Summit elevation: 11,053 ft / Base elevation: 7,953 ft / Vertical drop: 3,100 ft”
Skiresort.info — Ski resort Mammoth MountainSep 2026“The winter sports area is situated between the elevations of 2,424 and 3,369 m, with an elevation difference of 945 m ... the Panorama Gondola takes winter sports enthusiasts and pedestrians to the Top of the Sierra, the highest point in the ski area at 3,369 m”
Highest lift-served elevation11,027 ft1 source1 of 1 agreefrom OpenSkiMap.org (OpenStreetMap contributors, Skimap.org)
Base elevation7,953 ft4 sources4 of 4 agreefrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Skiresort.info — Ski resort Mammoth MountainSep 2026“situated between the elevations of 2,424 and 3,369 m”
Advertised vertical drop3,100 ft4 sources4 of 4 agreefrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Lift-served vertical3,074 ftNo sources:Derived
Computed from highest lift-served elevation and base elevation, not read from a source.
= highest_lift_served_elevation_ft − base_elevation_ft
Skiable acres≥ 3,500 ac5 sources4 of 5 agree · differfrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Wikipedia — Mammoth Mountain Ski AreaSep 2026“The resort covers 3,500 acres (1,420 ha) of skiable terrain”
PeakRankings — Mammoth Mountain ReviewSep 2026Differs: 3,000 ac “Mammoth offers a sizable 3,000-acre skiable area”
Named trails1803 sources1 of 3 agree · differfrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Wikipedia — Mammoth Mountain ResortSep 2026Differs: 175 “number_trails = 175 named; 15% beginner ; 48% intermediate ; 37% advanced”
Longest run3.0 mi3 sources3 of 3 agreefrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Beginner terrain13%3 sources2 of 2 agreefrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Mammoth Mountain — Winter Trail MapPublishedOct 2026“Terrain breakdown
13% Easiest
29% Slightly Difficult
19% Difficult
24% Very Difficult
15% Extremely Difficult”
OnTheSnow — Mammoth Mountain Ski Resort Area OverviewSep 2026“25% very difficult, 19% difficult, 28% slightly difficult, 13% easiest, and 15% extremely difficult”
Wikipedia — Mammoth Mountain ResortSep 2026Not compared: “number_trails = 175 named; 15% beginner ; 48% intermediate ; 37% advanced”
Intermediate terrain29%3 sources2 of 2 agreefrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Mammoth Mountain — Winter Trail MapPublishedOct 2026“Terrain breakdown
13% Easiest
29% Slightly Difficult
19% Difficult
24% Very Difficult
15% Extremely Difficult”
Wikipedia — Mammoth Mountain ResortSep 2026Not compared: “number_trails = 175 named; 15% beginner ; 48% intermediate ; 37% advanced”
Advanced terrain19%3 sources2 of 2 agreefrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Mammoth Mountain — Winter Trail MapPublishedOct 2026“Terrain breakdown
13% Easiest
29% Slightly Difficult
19% Difficult
24% Very Difficult
15% Extremely Difficult”
Wikipedia — Mammoth Mountain ResortSep 2026Not compared: “number_trails = 175 named; 15% beginner ; 48% intermediate ; 37% advanced”
Expert terrain39%2 sources1 of 2 agree · differfrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Mammoth Mountain — Winter Trail MapPublishedOct 2026“Terrain breakdown
13% Easiest
29% Slightly Difficult
19% Difficult
24% Very Difficult
15% Extremely Difficult”
OnTheSnow — Mammoth Mountain Ski Resort Area OverviewSep 2026Differs: 25% “25% very difficult ... 15% extremely difficult”
Advanced + expert terrain58%No sources:Derived
Computed from advanced terrain and expert terrain, not read from a source.
= advanced_percent + (expert_percent ?? 0)
Beginner runs23No sources:Derived
Computed from beginner terrain and named trails, not read from a source.
= round(beginner_percent × trail_count ÷ 100)
Terrain parks102 sources2 of 2 agreefrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Mammoth Mountain — Winter Trail MapPublishedOct 2026“Parks & Pipes
10 parks with 100+ jibs and 50+ jumps; 2 halfpipes”
Mammoth Mountain — Unbound Terrain ParksSep 2026“Unbound features 10 unique parks, 2 halfpipes, 100+ jibs and up to 50 jumps on any given day covering over 100 acres of terrain.”
Night skiingNo1 source1 of 1 agreefrom Wikimedia Foundation
Total lifts257 sources5 of 7 agree · differfrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Mammoth Mountain — Winter Trail MapPublishedOct 2026“number of lifts
25 (includes 8 express quads, 4 express six-packs, 2 gondolas)”
Wikipedia — Mammoth Mountain Ski AreaSep 2026“with 3,100 ft (940 m) of vertical serviced by 25 lifts”
OnTheSnow — Mammoth Mountain Ski Resort Area OverviewSep 2026Differs: 24 “24 lifts, including gondolas, high-speed sixes, and quads”
OpenSkiMap — Mammoth MountainSep 2026Differs: 28 “Lifts mapped in OpenStreetMap: 22 chairlifts, 3 gondolas, 1 platter lift, 2 magic carpets (28 in all)”
Uphill capacity59,000 /hr3 sources3 of 3 agreefrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Mammoth Mountain — media-project-mammoth-library-pdfs-factPublishedOct 2026“Uphill Capacity: 59,000 rides per hour”
Average annual snowfall350 in4 sources1 of 4 agree · differfrom Mammoth Mountain Ski Area (Alterra Mountain Company)
OnTheSnow — Mammoth Mountain Ski Resort Area OverviewSep 2026Differs: 337 in “Average annual snowfall of 337 inches (though other sources cite figures ranging from 331 to 400 inches)”
Wikipedia — Mammoth Mountain Ski AreaSep 2026Differs: 400 in “It receives an average of 400 inches (1,020 cm) of snowfall annually”
Snowmaking coverage700 ac3 sources3 of 3 agreefrom Mammoth Mountain Ski Area (Alterra Mountain Company)
Mammoth Mountain — media-project-mammoth-library-pdfs-factPublishedOct 2026“Snowmaking: 700 acres, covering 81 trails”
Airport drive2 h 57 min1 source1 of 1 agreefrom aurora.ski
Drive from Reno–Tahoe International Airport (RNO) to Mammoth Mountain, estimated on roads open on 20 January 2027PublishedSep 2026“Reno–Tahoe International Airport (RNO) to Mammoth Mountain: 2 h 57 min and 166.5 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Airport road miles166.5 mi1 source1 of 1 agreefrom aurora.ski
Drive from Reno–Tahoe International Airport (RNO) to Mammoth Mountain, estimated on roads open on 20 January 2027PublishedSep 2026“Reno–Tahoe International Airport (RNO) to Mammoth Mountain: 2 h 57 min and 166.5 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Big airport drive2 h 57 min1 source1 of 1 agreefrom aurora.ski
Drive from Reno–Tahoe International Airport (RNO) to Mammoth Mountain, estimated on roads open on 20 January 2027PublishedSep 2026“Reno–Tahoe International Airport (RNO) to Mammoth Mountain: 2 h 57 min and 166.5 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Big airport road miles166.5 mi1 source1 of 1 agreefrom aurora.ski
Drive from Reno–Tahoe International Airport (RNO) to Mammoth Mountain, estimated on roads open on 20 January 2027PublishedSep 2026“Reno–Tahoe International Airport (RNO) to Mammoth Mountain: 2 h 57 min and 166.5 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Closest airport drive58 min1 source1 of 1 agreefrom aurora.ski
Drive from Eastern Sierra Regional Airport (BIH) to Mammoth Mountain, estimated on roads open on 20 January 2027PublishedSep 2026“Eastern Sierra Regional Airport (BIH) to Mammoth Mountain: 58 min and 49.4 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Closest airport road miles49.4 mi2 sources1 of 2 agree · differfrom aurora.ski
Drive from Eastern Sierra Regional Airport (BIH) to Mammoth Mountain, estimated on roads open on 20 January 2027PublishedSep 2026“Eastern Sierra Regional Airport (BIH) to Mammoth Mountain: 58 min and 49.4 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Mammoth Mountain — Airports Near Mammoth MountainSep 2026Differs: 45.0 mi “Bishop Airport (BIH) Commercial Flights into Bishop Fly direct on United Airlines flights into Bishop, CA. Just 45 miles south of Mammoth Lakes, visitors can connect to”
Pages cited
Every source behind the figures, passes and facts, the resort’s own pages first.
- Mammoth Mountain — official websiteThe resort’s own site · mammothmountain.com
- Mammoth Mountain — About Mammoth Mountain ResortsThe resort’s own site · mammothmountain.com
- Mammoth Mountain — Airports Near Mammoth MountainThe resort’s own site · mammothmountain.com
- Mammoth Mountain — Ikon Pass Options at Mammoth MountainThe resort’s own site · mammothmountain.com
- Mammoth Mountain — media-project-mammoth-library-pdfs-factThe resort’s own site · mammothmountain.com
- Mammoth Mountain — MMSA Fact Sheet 2022-23 (PDF)The resort’s own site · mammothmountain.com
- Mammoth Mountain — Nature and History ToursThe resort’s own site · mammothmountain.com
- Mammoth Mountain — On The MountainThe resort’s own site · mammothmountain.com
- Mammoth Mountain — Unbound Terrain ParksThe resort’s own site · mammothmountain.com
- Mammoth Mountain — Winter Lift TicketsThe resort’s own site · mammothmountain.com
- Mammoth Mountain — Winter Trail MapThe resort’s own site · mammothmountain.com
- Ikon Pass 2026-27 access detailsSki pass · Alterra Mountain Company (Ikon Pass) · account.ikonpass.com
- Ski California — resortsState ski association · California Ski Industry Association · skicalifornia.org
- Lift Blog — Mammoth MountainSki guide · Lift Blog · liftblog.com
- OnTheSnow — Mammoth Mountain Ski Resort Area OverviewSki guide · OnTheSnow (Mountain News) · onthesnow.com
- PeakRankings — Mammoth Mountain ReviewSki guide · PeakRankings · peakrankings.com
- Skiresort.info — Ski resort Mammoth MountainSki guide · Skiresort Service International GmbH · skiresort.info
- Wikipedia — List of ski areas and resorts in the United StatesEncyclopedia · Wikimedia Foundation · en.wikipedia.org
- Wikipedia — Mammoth Mountain ResortEncyclopedia · Wikimedia Foundation · en.wikipedia.org
- Wikipedia — Mammoth Mountain Ski AreaEncyclopedia · Wikimedia Foundation · en.wikipedia.org
- Drive from Eastern Sierra Regional Airport (BIH) to Mammoth Mountain, estimated on roads open on 20 January 2027Worked out by aurora.ski · openstreetmap.org
- Drive from Reno–Tahoe International Airport (RNO) to Mammoth Mountain, estimated on roads open on 20 January 2027Worked out by aurora.ski · openstreetmap.org
- Nonstop flights by route, December 2025 – March 2026: BTS T-100 Domestic Segment (U.S. Carriers) and T-100 International Segment (All Carriers)U.S. government · Bureau of Transportation Statistics (U.S. DOT) · transtats.bts.gov
- Passenger boardings by airport, calendar year 2024: BTS T-100 airline traffic (U.S. airlines, domestic flights)U.S. government · Bureau of Transportation Statistics (U.S. DOT) · geodata.bts.gov
- GMBA Mountain Inventory v2.0 (standard): mountain range outlines, with each ski area placed where its runs and lifts areWorked out by aurora.ski · GMBA Mountain Inventory (placed by aurora.ski) · earthenv.org
- latitude.to — GPS coordinates of Mammoth Mountain Ski AreaOther site · latitude.to · latitude.to
- OpenSkiMap — Mammoth MountainCommunity map · OpenSkiMap.org (OpenStreetMap contributors, Skimap.org) · openstreetmap.org
Other facts
Where the page's other facts come from: its location, website, owner and the like.
- Nearest major airport
- Passenger boardings by airport, calendar year 2024: BTS T-100 airline traffic (U.S. airlines, domestic flights)
- Closest airline airport
- Passenger boardings by airport, calendar year 2024: BTS T-100 airline traffic (U.S. airlines, domestic flights)
- Airports the resort recommends
- Mammoth Mountain — Airports Near Mammoth Mountain
- Lift ticket page
- Mammoth Mountain — Winter Lift Tickets
- Year opened
- Mammoth Mountain — Nature and History Tours
- Mountain range
- GMBA Mountain Inventory v2.0 (standard): mountain range outlines, with each ski area placed where its runs and lifts are
- Mountain range
- Wikipedia — Mammoth Mountain Ski Area
- Nearest city
- Wikipedia — Mammoth Mountain Ski Area
Operating status
The sources that list this area, and what each says about whether it operates.
- operatingMammoth Mountain · The resort’s own site · 2026-10-02…ONDS 2 8 COUNTDOWN TO WINTER BOOK PRE-SEASON SAVINGS 10/3 - 4 OkTUBERfest 11/13 26/27 Opening Day 12/5 - 11 Kids Ski Free Week 12/12 Night of Lights all events Stay…
- operatingAlterra Mountain Company (Ikon Pass) · Ski pass · 2026-09-28Mammoth Mountain, CA — 26/27 Ikon Pass: Unlimited (365 days)
- operatingCalifornia Ski Industry Association · State ski association · 2026-09-28Listed by California Ski Industry Association: ": Mammoth Mountain"
- operatingWikimedia Foundation · Encyclopedia · 2026-09-28* Mammoth Mountain – Mammoth Lakes
- operatingLift Blog · Ski guide · 2026-09-28Mammoth Mountain: 26 operating lift(s) — 1 Broadway Express (High Speed Six), 2 Stump Alley Express (High Speed Quad), 3 Face Lift Express (High Speed Quad), 4 Roller Coaster Express (High Speed Quad), 5 High Five Express (High Speed Quad), 6 Unbound Express (High Speed Quad), Chair 7 (Triple), Chair 8 (Triple), 9 Cloud Nine Express (High Speed Six), 10 Gold Rush Express (High Speed Quad), 11 Discovery Express (High Speed Quad), Chair 12 (Double), Chair 13 (Double), Chair 14 (Double), 15 Eagle Express (High Speed Six), 16 Canyon Express (High Speed Six), 17 Schoolyard Express (High Speed Quad), Chair 20 (Triple), Chair 21 (Triple), Chair 22 (Triple), Chair 23 (Triple), Chair 25 (Quad), Panorama Gondola Lower (Gondola 8), Panorama Gondola Upper (Gondola 8), Village Gondola (Gondola 15), Poma (Platter); 28 removed/not operating
- operatingOpenSkiMap.org (OpenStreetMap contributors, Skimap.org) · Community map · 2026-09-28Mammoth Mountain — status: operating; activities: downhill, nordic; lifts mapped: 28; downhill runs mapped: 153; Mammoth Lakes