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Resort dossier
Aletsch Arena
CH·Valais
Top elev.
2869m
Base elev.
1950m
Pistes
104km
Lifts
35
Piste mix86km mapped
Blue48%
Red43%
Black4%
Freeride4%
COMPOSITE SCORE
22
Snow0
p(60cm+) · selected weeks
Typical depth
no depth data
Travel0
From your origin
Size73
Piste km, discounted for linked-area connectivity
Fit50
Vibe, terrain, activities
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Transfers
Transfers
| Airport | Drive | Train |
|---|---|---|
| Bern (BRN) | 205 min | |
| Milan Malpensa (MXP) | 210 min | |
| Turin (TRN) | 253 min | |
| Zürich (ZRH) | 251 min |
Method & sources
The composite score weights snow reliability against the historical baseline, pulls in live conditions where available, then adjusts for how much hassle the trip actually is for your group.
- 01ERA5-Land hourly grid → daily SWE & snow depth at the resort cell.
- 02Bias-correct against ground stations (SLF / Météo-France nivôse).
- 03Build per-week climatological percentile · 35 winters.
- 04Anomaly = current week vs. cell's own 30-year baseline.
- 05Snow-sure read at the highest-snow cell within ~15km. When most resorts are bare, ranking shifts toward this, surfacing glaciers in shoulder seasons.
- 06Weight + rank against your origin & vibe profile.
Sources
Snow data sources
Ground stations the score is based on.
- EGH2slf
- BEL2slf