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Timberline Lodge — Snow Preservation

Matched OpenSkiMap ski area: Timberline Lodge Ski Area (71 mapped runs, 10151 m of vertical drop analyzed).

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

Timberline Lodge
Snow Preservation Score
(0=poor, 100=excellent)
1
Solar Exposure Score 99
Overall Confidence GOOD
Aspect advantage ratio
(actual ÷ neutral-baseline irradiance)
1.284
Mean fall-line bearing 197.8°
Orientation alignment
(0=scattered, 1=fully consistent)
0.88
Mean slope (mapped, weighted) 12.0°
Ski-season irradiance
actual vs. neutral baseline (kWh/m²/day)
4.29 vs. 3.34

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.