Where Buttermilk’s numbers come from
22 observations from 4 publishers behind 22 figures. Each row gives the figure we publish, how many sources gave one and how many agree; open it for what each said.
Figures
10/11 core figures collected.
Summit elevation9,900 ft1 source1 of 1 agreefrom Wikimedia Foundation
Highest lift-served elevation9,882 ft1 source1 of 1 agreefrom OpenSkiMap.org (OpenStreetMap contributors, Skimap.org)
Base elevation7,870 ft1 source1 of 1 agreefrom Wikimedia Foundation
Advertised vertical drop2,030 ft1 source1 of 1 agreefrom Wikimedia Foundation
Lift-served vertical2,012 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 acres435 ac1 source1 of 1 agreefrom Wikimedia Foundation
Named trails441 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Buttermilk (ski area)PublishedSep 2026“number_trails = 44 total ; 35% beginner ; 39% intermediate ; 26% advanced ; 0% expert”
Longest run3.0 mi1 source1 of 1 agreefrom Wikimedia Foundation
Beginner terrain35%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Buttermilk (ski area)PublishedSep 2026“number_trails = 44 total ; 35% beginner ; 39% intermediate ; 26% advanced ; 0% expert”
Intermediate terrain39%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Buttermilk (ski area)PublishedSep 2026“number_trails = 44 total ; 35% beginner ; 39% intermediate ; 26% advanced ; 0% expert”
Advanced terrain26%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Buttermilk (ski area)PublishedSep 2026“number_trails = 44 total ; 35% beginner ; 39% intermediate ; 26% advanced ; 0% expert”
Expert terrain0%1 source1 of 1 agreefrom Wikimedia Foundation
Wikipedia — Buttermilk (ski area)PublishedSep 2026“number_trails = 44 total ; 35% beginner ; 39% intermediate ; 26% advanced ; 0% expert”
Advanced + expert terrain26%No sources:Derived
Computed from advanced terrain and expert terrain, not read from a source.
= advanced_percent + (expert_percent ?? 0)
Beginner runs15No sources:Derived
Computed from beginner terrain and named trails, not read from a source.
= round(beginner_percent × trail_count ÷ 100)
Terrain parks21 source1 of 1 agreefrom Wikimedia Foundation
Total lifts82 sources2 of 2 agreefrom Wikimedia Foundation
Wikipedia — Buttermilk (ski area)PublishedSep 2026“lift_system = 8 total (3 high-speed quad chairs, 1 double chairs, 4 surface/ski school)”
OpenSkiMap — ButtermilkSep 2026“Lifts mapped in OpenStreetMap: 4 chairlifts, 1 drag lift, 1 rope tow, 2 magic carpets (8 in all)”
Airport drive1 h 20 min1 source1 of 1 agreefrom aurora.ski
Drive from Eagle County Regional Airport (EGE) to Buttermilk, estimated on roads open on 20 January 2027PublishedSep 2026“Eagle County Regional Airport (EGE) to Buttermilk: 1 h 20 min and 67.7 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Airport road miles67.7 mi2 sources2 of 2 agreefrom aurora.ski
Drive from Eagle County Regional Airport (EGE) to Buttermilk, estimated on roads open on 20 January 2027PublishedSep 2026“Eagle County Regional Airport (EGE) to Buttermilk: 1 h 20 min and 67.7 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Aspen Snowmass — Direct Flights to Aspen | Getting to Aspen SnowmassSep 2026“Eagle County Airport (EGE) … Eagle County Airport is located just 70 miles from Aspen Snowmass”
Big airport drive3 h 44 min1 source1 of 1 agreefrom aurora.ski
Drive from Denver International Airport (DEN) to Buttermilk, estimated on roads open on 20 January 2027PublishedSep 2026“Denver International Airport (DEN) to Buttermilk: 3 h 44 min and 221.6 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Big airport road miles221.6 mi2 sources2 of 2 agreefrom aurora.ski
Drive from Denver International Airport (DEN) to Buttermilk, estimated on roads open on 20 January 2027PublishedSep 2026“Denver International Airport (DEN) to Buttermilk: 3 h 44 min and 221.6 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Aspen Snowmass — Direct Flights to Aspen | Getting to Aspen SnowmassSep 2026“Denver International Airport (DEN) The largest and most active airport in the Rocky Mountain region is located only 220 miles from Aspen Snowmass”
Closest airport drive20 min1 source1 of 1 agreefrom aurora.ski
Drive from Aspen/Pitkin County Airport (ASE) to Buttermilk, estimated on roads open on 20 January 2027PublishedSep 2026“Aspen/Pitkin County Airport (ASE) to Buttermilk: 20 min and 4.1 mi by road without traffic, on roads open on 20 January 2027 (Valhalla routing on OpenStreetMap)”
Closest airport road miles4.1 mi1 source1 of 1 agreefrom aurora.ski
Drive from Aspen/Pitkin County Airport (ASE) to Buttermilk, estimated on roads open on 20 January 2027PublishedSep 2026“Aspen/Pitkin County Airport (ASE) to Buttermilk: 20 min and 4.1 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.
- Aspen Snowmass — Direct Flights to Aspen | Getting to Aspen SnowmassThe resort’s own site · aspensnowmass.com
- Aspen Snowmass — Lift Tickets 2026-27The resort’s own site · aspensnowmass.com
- Hiking, Biking, Camps, & More — official websiteThe resort’s own site · aspensnowmass.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
- Mountain Collective — Aspen Snowmass resort pageSki pass · The Mountain Collective · mountaincollective.com
- Lift Blog — ButtermilkSki guide · Lift Blog · liftblog.com
- Wikipedia — Buttermilk (ski area)Encyclopedia · Wikimedia Foundation · en.wikipedia.org
- Wikipedia — List of ski areas and resorts in the United StatesEncyclopedia · Wikimedia Foundation · en.wikipedia.org
- Drive from Aspen/Pitkin County Airport (ASE) to Buttermilk, estimated on roads open on 20 January 2027Worked out by aurora.ski · openstreetmap.org
- Drive from Denver International Airport (DEN) to Buttermilk, estimated on roads open on 20 January 2027Worked out by aurora.ski · openstreetmap.org
- Drive from Eagle County Regional Airport (EGE) to Buttermilk, 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 — ButtermilkCommunity 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
- Aspen Snowmass — Direct Flights to Aspen | Getting to Aspen Snowmass
- Coordinates
- Wikipedia — Buttermilk (ski area)
- Lift ticket page
- Aspen Snowmass — Lift Tickets 2026-27
- 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 — Buttermilk (ski area)
Operating status
The sources that list this area, and what each says about whether it operates.
- operatingHiking, Biking, Camps, & More · The resort’s own site · 2026-10-0226-27 Season Passes Winter Lift Tickets Lodging Book Now Winter Season Passes Winter…
- operatingAlterra Mountain Company (Ikon Pass) · Ski pass · 2026-09-28Aspen Snowmass, CO — 26/27 Ikon Pass: Per resort (7 days)
- operatingThe Mountain Collective · Ski pass · 2026-09-28Aspen Snowmass — Aspen, CO; 2 days at Aspen Snowmass; NO BLACKOUT DATES
- operatingColorado Ski Country USA · State ski association · 2026-09-28Listed by Colorado Ski Country USA: "Buttermilk"
- operatingWikimedia Foundation · Encyclopedia · 2026-09-28* Buttermilk
- operatingLift Blog · Ski guide · 2026-09-28Buttermilk: 4 operating lift(s) — West Buttermilk Express (High Speed Quad), Panda Peak (Double), Summit Express (High Speed Quad), Tiehack Express (High Speed Quad); 8 removed/not operating
- operatingOpenSkiMap.org (OpenStreetMap contributors, Skimap.org) · Community map · 2026-09-28Buttermilk — status: operating; activities: downhill; lifts mapped: 8; downhill runs mapped: 50; Aspen
Data quality notes
- Not yet collected: average annual snowfall.