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Arapahoe Basin

Where Arapahoe Basin’s numbers come from

53 observations from 7 publishers behind 24 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.

How a figure is chosen
Summit elevation13,050 ft5 sources4 of 5 agree · differfrom Arapahoe Basin (Alterra Mountain Company)
Arapahoe Basin — About A-Basin | Mountain InfoPublishedSep 2026“Summit Elevation: 13,050 feet; Base Elevation: 10,700 feet; Vertical Drop: 2,530 feet; Skiable Acres: 1,428 acres of terrain”
Arapahoe Basin — HomeSep 2026“advanced-expert terrain 13,050 FT Summit Elevation”
OnTheSnow — Arapahoe Basin Ski Area Ski Resort Area OverviewSep 2026“Summit elevation of 13,050 feet”
Wikipedia — Arapahoe BasinSep 2026“top_elevation = 13050 ft”
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”
OpenSkiMap — Arapahoe BasinSep 2026“Top of the highest mapped lift: 3,803 m (12,475 ft)”
Base elevation10,700 ft4 sources4 of 4 agreefrom Arapahoe Basin (Alterra Mountain Company)
Arapahoe Basin — About A-Basin | Mountain InfoPublishedSep 2026“Base Elevation: 10,700 feet”
Arapahoe Basin — Best Skiing Near Denver, CO (blog)Sep 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”
Wikipedia — Arapahoe BasinSep 2026“base_elevation = 10780 ft”
Advertised vertical drop2,530 ft5 sources3 of 5 agree · differfrom Arapahoe Basin (Alterra Mountain Company)
Arapahoe Basin — About A-Basin | Mountain InfoPublishedSep 2026“Vertical Drop: 2,530 feet”
Arapahoe Basin — HomeSep 2026“2,530 FT Vertical Drop”
Wikipedia — Arapahoe BasinSep 2026“vertical = 2530 ft”
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 ac5 sources5 of 5 agreefrom Arapahoe Basin (Alterra Mountain Company)
Arapahoe Basin — About A-Basin | Mountain InfoPublishedSep 2026“Skiable Acres: 1,428 acres of terrain”
Arapahoe Basin — HomeSep 2026“1,428 ACRES Of Terrain”
OnTheSnow — Arapahoe Basin Ski Area Ski Resort Area OverviewSep 2026“1,428 accessible acres”
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.”
Wikipedia — Arapahoe BasinSep 2026“skiable_area = 1428 acre”
Named trails1453 sources2 of 3 agree · differfrom Arapahoe Basin (Alterra Mountain Company)
Arapahoe Basin — About A-Basin | Mountain InfoPublishedSep 2026“The resort has 1,428 acres, a 2,530 vertical drop, and 145 trails.”
Wikipedia — Arapahoe BasinSep 2026“number_trails = 145; : 7% Easiest; : 20% More Difficult; : 49% Most Difficult; : 24% Extreme”
OnTheSnow — Arapahoe Basin Ski Area Ski Resort Area OverviewSep 2026Differs: 147 “147 trails”
Longest run1.5 mi1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Arapahoe BasinPublishedSep 2026“longest_run = 1.5 mi”
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.”
Arapahoe Basin — HomeSep 2026Not compared: “mountain statistics 73 % advanced-expert terrain”
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 skiingNo1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Arapahoe BasinPublishedSep 2026“night_skiing = No”
Total lifts94 sources3 of 4 agree · differfrom Wikimedia Foundation
Wikipedia — Arapahoe BasinPublishedSep 2026“served by nine lifts ... More recent data indicates six chairlifts and three surface lifts”
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)”
OnTheSnow — Arapahoe Basin Ski Area Ski Resort Area OverviewSep 2026Differs: 8 “Eight chairlifts”
Average annual snowfall350 in2 sources2 of 2 agreefrom OnTheSnow (Mountain News)
OnTheSnow — Arapahoe Basin Ski Area Ski Resort Area OverviewPublishedSep 2026“Average snowfall of 350 inches”
Wikipedia — Arapahoe BasinSep 2026“snowfall = 350 in”
Snowmaking coverage125 ac1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Arapahoe BasinPublishedSep 2026“snowmaking = 125 acre”
Drive from the fly-in airport1 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.”
Drive from nearest major airport1 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.”
Road miles from nearest major airport87.4 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)”
Drive from closest airline airport1 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)”
Road miles from closest airline airport77.6 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, best tier first.

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
Owner
Wikipedia — Arapahoe Basin
Year opened
Arapahoe Basin — Ski Resort History | A Legend Since 1946
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
Nearest city
Arapahoe Basin — Best Skiing Near Denver, CO (blog)

Operating status

The sources that list this area, and what each says about whether it operates.

  • operatingArapahoe Basin (Alterra Mountain Company) · Tier 1 · 2026-09-28…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) · Tier 2 · 2026-09-28Arapahoe Basin, CO — 26/27 Ikon Pass: Unlimited (365 days)
  • operatingColorado Ski Country USA · Tier 2 · 2026-09-28Listed by Colorado Ski Country USA: "Arapahoe Basin"
  • operatingWikimedia Foundation · Tier 3 · 2026-09-28* Arapahoe Basin – Keystone
  • operatingLift Blog · Tier 3 · 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) · Tier 5 · 2026-09-28Arapahoe Basin — status: operating; activities: downhill; lifts mapped: 9; downhill runs mapped: 103;

Data quality notes

  • warningAdvertised vertical 2530 ft exceeds summit − base (2350 ft)