Showing this resort's typical peak window · closest airport CMF — adjust above
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Resort dossier
Saint-Martin-de-Belleville
FR·Tarentaise◇Part of Les 3 Vallées· 600km
Weeks 4–7
Typically -10.4°C · 33cm fresh / week · powder day 57% · mixed 36%
Top elev.
2850m
Base elev.
1450m
Pistes
600km
Lifts
156
Piste mix499km mapped
Green14%
Blue48%
Red29%
Black8%
COMPOSITE SCORE
72
Snow90
Typically 150cm
Typical depth150cm
113cm179cm
Travel52
From your origin
Size100
Linked-area piste-km
Fit50
Vibe, terrain, activities
What to expect
What to expect in weeks 4–7
Based on 40 winters of weather data, modelled at ~1424m (not the village). Any single year can be very different.
Typically stormy, around -10.4°C, with 33cm of fresh snow over the week. Powder days hit 57% of the time. Other weeks run mixed or cold and clear.
Icy mornings
2.4 days/week
spring-like in 36% of years
Snow texture
Settled
packed, predictable piste
Typical wind
6.6 m/s
peaks to 22 m/s
Typical Freezing level
546 m
0°C isotherm
Powder days
57%
of years see 10cm+
Rain at base
0 days
per week
Storm
44%
of years
Bluebird
20%
of years
Thaw
0%
of years
Mixed
36%
of years
Climatology
What a season here looks like
Each track shows the typical range across 40 winters. The marker shows where your selected weeks sit.
Reliability60cm+
100%
Depth
150cm
Temperature
-10.4°C
Fresh snow
33cm
Snow line
546m
Wind
6.6 m/s
Transfers
Transfers
| Airport | Drive | Train |
|---|---|---|
| Chambéry (CMF) | 87 min | |
| Grenoble (GNB) | 133 min | |
| Geneva (GVA) | 154 min | |
| Lyon (LYS) | 134 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.
- Les Menuiresmeteofrance
- VAL THORENSmeteofrance