Where Arapahoe Basin’s numbers come from
57 observations from 7 publishers behind 25 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 elevation13,050 ft4 sources3 of 4 agree · differfrom Arapahoe Basin (Alterra Mountain Company)
OnTheSnow — Arapahoe Basin Ski Area Ski Resort Area OverviewSep 2026“Summit elevation of 13,050 feet”
Skiresort.info — Ski resort Arapahoe BasinSep 2026Differs: 12,434 ft “The winter sports area is situated between the elevations of 3,286 and 3,790 m, which represents an elevation difference of 504 meters.”
Highest lift-served elevation12,500 ft2 sources2 of 2 agreefrom Arapahoe Basin (Alterra Mountain Company)
Arapahoe Basin — A-Basin Ski & Snowboard Trail Map | Frontside + The BeaversPublishedSep 2026“Two, short lift rides and you’re at 12,500 feet—above treeline at the top of the lift-served terrain”
Base elevation10,700 ft3 sources3 of 3 agreefrom Arapahoe Basin (Alterra Mountain Company)
Arapahoe Basin — Best Skiing Near Denver, CO (blog)PublishedOct 2026“a base elevation of 10,700 feet and mostly north-facing terrain”
Skiresort.info — Ski resort Arapahoe BasinSep 2026“situated between the elevations of 3,286 and 3,790 m”
Advertised vertical drop2,530 ft4 sources2 of 4 agree · differfrom Arapahoe Basin (Alterra Mountain Company)
OnTheSnow — Arapahoe Basin Ski Area Ski Resort Area OverviewSep 2026Differs: 2,270 ft “Vertical rise of 2,270 feet”
Skiresort.info — Ski resort Arapahoe BasinSep 2026Differs: 1,654 ft “an elevation difference of 504 meters”
Lift-served vertical1,800 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 acres1,428 ac4 sources4 of 4 agreefrom Arapahoe Basin (Alterra Mountain Company)
PeakRankings — Arapahoe Basin Ski Resort ReviewSep 2026“A-Basin has a 1,400-acre footprint with several slow lifts and a meaningful portion of terrain requiring hiking.”
Named trails1473 sources2 of 3 agree · differfrom Arapahoe Basin (Alterra Mountain Company)
Wikipedia — Arapahoe BasinSep 2026Differs: 145 “number_trails = 145; : 7% Easiest; : 20% More Difficult; : 49% Most Difficult; : 24% Extreme”
Longest run1.5 mi1 source1 of 1 agreefrom Wikimedia Foundation
Beginner terrain7%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Arapahoe BasinPublishedSep 2026“number_trails = 145; : 7% Easiest; : 20% More Difficult; : 49% Most Difficult; : 24% Extreme”
Intermediate terrain20%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Arapahoe BasinPublishedSep 2026“number_trails = 145; : 7% Easiest; : 20% More Difficult; : 49% Most Difficult; : 24% Extreme”
Advanced terrain49%3 sources1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Arapahoe BasinPublishedSep 2026“number_trails = 145; : 7% Easiest; : 20% More Difficult; : 49% Most Difficult; : 24% Extreme”
Arapahoe Basin — About A-Basin | Mountain InfoSep 2026Not compared: “73% of the terrain is advanced-expert, making Arapahoe Basin known for challenging, big-mountain skiing.”
Expert terrain24%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Arapahoe BasinPublishedSep 2026“number_trails = 145; : 7% Easiest; : 20% More Difficult; : 49% Most Difficult; : 24% Extreme”
Advanced + expert terrain73%No sources:Derived
Computed from advanced terrain and expert terrain, not read from a source.
= advanced_percent + (expert_percent ?? 0)
Beginner runs10No sources:Derived
Computed from beginner terrain and named trails, not read from a source.
= round(beginner_percent × trail_count ÷ 100)
Terrain parks32 sources2 of 2 agreefrom Arapahoe Basin (Alterra Mountain Company)
Arapahoe Basin — A-Basin Ski & Snowboard Trail Map | Frontside + The BeaversPublishedSep 2026“from the most casual runs to advanced moguls to the three terrain parks”
Arapahoe Basin — Field Guide to Skiing at A-BasinSep 2026“A-Basin's front side terrain offers a little of everything, from the most casual runs to advanced moguls to the three terrain parks”
Night skiingNo2 sources2 of 2 agreefrom Arapahoe Basin (Alterra Mountain Company)
Arapahoe Basin — PDFPublishedOct 2026“There is no night skiing at the resort, and snowmaking coverage is estimated at approximately 74 acres of terrain.”
Total lifts94 sources3 of 4 agree · differfrom Wikimedia Foundation
Wikipedia — Arapahoe BasinPublishedOct 2026“It features a lift-served vertical drop of 2,270 feet and is served by nine lifts, with easy access to 145 trails.”
Skiresort.info — Ski resort Arapahoe BasinSep 2026“9 lifts transport the guests. More specifically, there are 6 chairlifts, 1 rope tow/baby lift, and 2 people movers.”
OpenSkiMap — Arapahoe BasinSep 2026“Lifts mapped in OpenStreetMap: 6 chairlifts, 1 rope tow, 2 magic carpets (9 in all)”
Average annual snowfall350 in2 sources2 of 2 agreefrom OnTheSnow (Mountain News)
OnTheSnow — Arapahoe Basin Ski Area Ski Resort Area OverviewPublishedOct 2026“an average snowfall of 350 inches”
Snowmaking coverage≈ 74 ac2 sources1 of 2 agree · differfrom Arapahoe Basin (Alterra Mountain Company)
Arapahoe Basin — PDFPublishedOct 2026“There is no night skiing at the resort, and snowmaking coverage is estimated at approximately 74 acres of terrain.”
Airport drive1 h 18 min1 source1 of 1 agreefrom aurora.ski
Drive from Eagle County Regional Airport (EGE) to Arapahoe Basin, estimated on roads open on 20 January 2027PublishedSep 2026“Eagle County Regional Airport (EGE) to Arapahoe Basin: 1 h 18 min and 77.6 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Airport road miles77.6 mi1 source1 of 1 agreefrom aurora.ski
Drive from Eagle County Regional Airport (EGE) to Arapahoe Basin, estimated on roads open on 20 January 2027PublishedSep 2026“Eagle County Regional Airport (EGE) to Arapahoe Basin: 1 h 18 min and 77.6 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Big airport drive1 h 28 min2 sources2 of 2 agreefrom aurora.ski
Drive from Denver International Airport (DEN) to Arapahoe Basin, estimated on roads open on 20 January 2027PublishedSep 2026“Denver International Airport (DEN) to Arapahoe Basin: 1 h 28 min and 87.4 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Arapahoe Basin — Best Skiing Near Denver, CO (blog)Sep 2026“It is an hour and thirty minute drive from Denver International Airport to Arapahoe Basin. Additionally, A-Basin is located just 90 minutes from the Denver Airport, and it's located approximately 68 miles from Denver.”
Big airport road miles87.4 mi1 source1 of 1 agreefrom aurora.ski
Drive from Denver International Airport (DEN) to Arapahoe Basin, estimated on roads open on 20 January 2027PublishedSep 2026“Denver International Airport (DEN) to Arapahoe Basin: 1 h 28 min and 87.4 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Closest airport drive1 h 18 min1 source1 of 1 agreefrom aurora.ski
Drive from Eagle County Regional Airport (EGE) to Arapahoe Basin, estimated on roads open on 20 January 2027PublishedSep 2026“Eagle County Regional Airport (EGE) to Arapahoe Basin: 1 h 18 min and 77.6 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Closest airport road miles77.6 mi1 source1 of 1 agreefrom aurora.ski
Drive from Eagle County Regional Airport (EGE) to Arapahoe Basin, estimated on roads open on 20 January 2027PublishedSep 2026“Eagle County Regional Airport (EGE) to Arapahoe Basin: 1 h 18 min and 77.6 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.
- Arapahoe Basin — lift ticketsThe resort’s own site · store.arapahoebasin.com
- Arapahoe Basin — A-Basin Ski & Snowboard Trail Map | Frontside + The BeaversThe resort’s own site · arapahoebasin.com
- Arapahoe Basin — About A-Basin | Mountain InfoThe resort’s own site · arapahoebasin.com
- Arapahoe Basin — Best Skiing Near Denver, CO (blog)The resort’s own site · arapahoebasin.com
- Arapahoe Basin — Field Guide to Skiing at A-BasinThe resort’s own site · arapahoebasin.com
- Arapahoe Basin — HomeThe resort’s own site · arapahoebasin.com
- Arapahoe Basin — PDFThe resort’s own site · arapahoebasin.com
- Arapahoe Basin — Ski Resort History | A Legend Since 1946The resort’s own site · arapahoebasin.com
- Ikon Pass 2026-27 access detailsSki pass · Alterra Mountain Company (Ikon Pass) · account.ikonpass.com
- Colorado Ski Country USA — member resortsState ski association · Colorado Ski Country USA · coloradoski.com
- Ikon Pass — Arapahoe Basin destination pageSki pass · Ikon Pass (Alterra Mountain Company) · ikonpass.com
- Lift Blog — Arapahoe BasinSki guide · Lift Blog · liftblog.com
- OnTheSnow — Arapahoe Basin Ski Area Ski Resort Area OverviewSki guide · OnTheSnow (Mountain News) · onthesnow.com
- PeakRankings — Arapahoe Basin Ski Resort ReviewSki guide · PeakRankings · peakrankings.com
- Skiresort.info — Ski resort Arapahoe BasinSki guide · Skiresort Service International GmbH · skiresort.info
- Wikipedia — Arapahoe BasinEncyclopedia · Wikimedia Foundation · en.wikipedia.org
- Wikipedia — List of ski areas and resorts in the United StatesEncyclopedia · Wikimedia Foundation · en.wikipedia.org
- Drive from Denver International Airport (DEN) to Arapahoe Basin, estimated on roads open on 20 January 2027Worked out by aurora.ski · openstreetmap.org
- Drive from Eagle County Regional Airport (EGE) to Arapahoe Basin, 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
- Mapcarta — Arapahoe Basin, Summit, ColoradoCommunity map · Mapcarta (OpenStreetMap data) · mapcarta.com
- OpenSkiMap — Arapahoe BasinCommunity 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)
- Airport named by the resort
- Arapahoe Basin — Best Skiing Near Denver, CO (blog)
- Airports the resort recommends
- Arapahoe Basin — Best Skiing Near Denver, CO (blog)
- Coordinates
- Mapcarta — Arapahoe Basin, Summit, Colorado
- Website
- Arapahoe Basin — Home
- Lift ticket page
- Arapahoe Basin — lift tickets
- 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 — Arapahoe Basin
Operating status
The sources that list this area, and what each says about whether it operates.
- operatingArapahoe Basin (Alterra Mountain Company) · The resort’s own site · 2026-10-02…inably Weddings Events F&B Events Weddings Group Rates Tickets Tickets & Passes 26/27 Season Passes & Lift Tickets 26/27 Pass Benefits Group Rates Tickets & Passes L…
- operatingAlterra Mountain Company (Ikon Pass) · Ski pass · 2026-09-28Arapahoe Basin, CO — 26/27 Ikon Pass: Unlimited (365 days)
- operatingColorado Ski Country USA · State ski association · 2026-09-28Listed by Colorado Ski Country USA: "Arapahoe Basin"
- operatingWikimedia Foundation · Encyclopedia · 2026-09-28* Arapahoe Basin – Keystone
- operatingLift Blog · Ski guide · 2026-09-28Arapahoe Basin: 6 operating lift(s) — Beavers (Quad), Black Mountain Express (High Speed Quad), Lenawee Express (High Speed Six), Molly Hogan (Quad), Pallavicini (Double), Zuma (Quad); 16 removed/not operating
- operatingOpenSkiMap.org (OpenStreetMap contributors, Skimap.org) · Community map · 2026-09-28Arapahoe Basin — status: operating; activities: downhill; lifts mapped: 9; downhill runs mapped: 103;
Data quality notes
- Advertised vertical 2530 ft exceeds summit − base (2350 ft)