Where Mountain High’s numbers come from
16 observations from 3 publishers behind 18 figures. Each row gives the figure we publish, how many sources gave one and how many agree; open it for what each said.
Figures
8/11 core figures collected.
Highest lift-served elevation8,182 ft1 source1 of 1 agreefrom OpenSkiMap.org (OpenStreetMap contributors, Skimap.org)
Advertised vertical drop1,600 ft1 source1 of 1 agreefrom Wikimedia Foundation
Skiable acres290 ac1 source1 of 1 agreefrom Wikimedia Foundation
Named trails591 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Mountain HighPublishedSep 2026“number_trails = 59 total; 20% easiest; 42% More difficult; 34% Most difficult; 3% Experts only”
Beginner terrain20%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Mountain HighPublishedSep 2026“number_trails = 59 total; 20% easiest; 42% More difficult; 34% Most difficult; 3% Experts only”
Intermediate terrain42%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Mountain HighPublishedSep 2026“number_trails = 59 total; 20% easiest; 42% More difficult; 34% Most difficult; 3% Experts only”
Advanced terrain34%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Mountain HighPublishedSep 2026“number_trails = 59 total; 20% easiest; 42% More difficult; 34% Most difficult; 3% Experts only”
Expert terrain3%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Mountain HighPublishedSep 2026“number_trails = 59 total; 20% easiest; 42% More difficult; 34% Most difficult; 3% Experts only”
Advanced + expert terrain37%No sources:Derived
Computed from advanced terrain and expert terrain, not read from a source.
= advanced_percent + (expert_percent ?? 0)
Beginner runs12No sources:Derived
Computed from beginner terrain and named trails, not read from a source.
= round(beginner_percent × trail_count ÷ 100)
Night skiingYes1 source1 of 1 agreefrom Wikimedia Foundation
Total lifts151 source1 of 1 agreefrom OpenSkiMap.org (OpenStreetMap contributors, Skimap.org)
OpenSkiMap — Mountain HighPublishedSep 2026“Lifts mapped in OpenStreetMap: 11 chairlifts, 4 magic carpets (15 in all)”
Airport drive53 min1 source1 of 1 agreefrom aurora.ski
Drive from Ontario International Airport (ONT) to Mountain High, estimated on roads open on 20 January 2027PublishedSep 2026“Ontario International Airport (ONT) to Mountain High: 53 min and 43.7 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Airport road miles43.7 mi1 source1 of 1 agreefrom aurora.ski
Drive from Ontario International Airport (ONT) to Mountain High, estimated on roads open on 20 January 2027PublishedSep 2026“Ontario International Airport (ONT) to Mountain High: 53 min and 43.7 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Big airport drive53 min1 source1 of 1 agreefrom aurora.ski
Drive from Ontario International Airport (ONT) to Mountain High, estimated on roads open on 20 January 2027PublishedSep 2026“Ontario International Airport (ONT) to Mountain High: 53 min and 43.7 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Big airport road miles43.7 mi1 source1 of 1 agreefrom aurora.ski
Drive from Ontario International Airport (ONT) to Mountain High, estimated on roads open on 20 January 2027PublishedSep 2026“Ontario International Airport (ONT) to Mountain High: 53 min and 43.7 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Closest airport drive51 min1 source1 of 1 agreefrom aurora.ski
Drive from San Bernardino International Airport (SBD) to Mountain High, estimated on roads open on 20 January 2027PublishedSep 2026“San Bernardino International Airport (SBD) to Mountain High: 51 min and 44.1 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Closest airport road miles44.1 mi1 source1 of 1 agreefrom aurora.ski
Drive from San Bernardino International Airport (SBD) to Mountain High, estimated on roads open on 20 January 2027PublishedSep 2026“San Bernardino International Airport (SBD) to Mountain High: 51 min and 44.1 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Pages cited
Every source behind the figures, passes and facts, the resort’s own pages first.
- Ski California — resortsState ski association · California Ski Industry Association · skicalifornia.org
- Indy Pass — partner resortsSki pass · Indy Pass · indyskipass.com
- Lift Blog — Mountain HighSki guide · Lift Blog · liftblog.com
- Wikipedia — List of ski areas and resorts in the United StatesEncyclopedia · Wikimedia Foundation · en.wikipedia.org
- Wikipedia — Mountain HighEncyclopedia · Wikimedia Foundation · en.wikipedia.org
- Drive from Ontario International Airport (ONT) to Mountain High, estimated on roads open on 20 January 2027Worked out by aurora.ski · openstreetmap.org
- Drive from San Bernardino International Airport (SBD) to Mountain High, 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
- OpenSkiMap — Mountain HighCommunity 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)
- Coordinates
- Wikipedia — Mountain High
- Website
- Wikipedia — Mountain High
- Mountain range
- GMBA Mountain Inventory v2.0 (standard): mountain range outlines, with each ski area placed where its runs and lifts are
- Nearest city
- Wikipedia — Mountain High
Operating status
The sources that list this area, and what each says about whether it operates.
- operatingIndy Pass · Ski pass · 2026-09-28Mountain High — Wrightwood, CA, USA (Alpine)
- operatingCalifornia Ski Industry Association · State ski association · 2026-09-28Listed by California Ski Industry Association: ": Mountain High Resort"
- operatingWikimedia Foundation · Encyclopedia · 2026-09-28* Mountain High – Wrightwood
- operatingLift Blog · Ski guide · 2026-09-28Mountain High: 8 operating lift(s) — 1 Coyote (Double), 2 Roadrunner (Double), 3 Snowflake (Triple), 4 Blue Ridge Express (High Speed Quad), 5 Conquest (Triple), 6 Exhibition (Double), 11 Mountain High Express (High Speed Quad), 8 Discovery (Quad); 9 removed/not operating
- operatingOpenSkiMap.org (OpenStreetMap contributors, Skimap.org) · Community map · 2026-09-28Mountain High — status: operating; activities: downhill, nordic; lifts mapped: 15; downhill runs mapped: 43;
Data quality notes
- Not yet collected: summit elevation, base elevation, average annual snowfall.