home of the Pure Awesomeness Factor Better Data, Better Skiing

← All resorts

Aspen Mountain - Ajax — Snow Preservation

Matched OpenSkiMap ski area: Aspen Mountain (140 mapped runs, 18700 m of vertical drop analyzed).

Score version: ASPECT_V3_FIXED_COORDS · calculated Sep 27, 2026 · source: OpenSkiMap/OpenStreetMap

Aspen Mountain - Ajax
Snow Preservation Score
(0=poor, 100=excellent)
78
Solar Exposure Score 22
Overall Confidence GOOD
Aspect advantage ratio
(actual ÷ neutral-baseline irradiance)
0.738
Mean fall-line bearing 23.4°
Orientation alignment
(0=scattered, 1=fully consistent)
0.67
Mean slope (mapped, weighted) 21.0°
Ski-season irradiance
actual vs. neutral baseline (kWh/m²/day)
3.29 vs. 4.45

Terrain orientation (vertical-drop-weighted)

Each spoke is a compass direction; length is the share of mapped, snow-holding terrain facing that way. A tall, narrow rose means the mountain consistently faces one direction; a round, even rose means it's scattered across every aspect.