Semnoz
📍 Rhone-Alpes , Departement de la Haute-Savoie · Nearest city: Viuz-la-Chiesaz (3 km)
50 XC score / 100 · takeoff at 1487 m · 📍 View on map
Coordinates and external links
45.80480, 6.09524Forecast next days
Updated: 2026-05-02 16:23 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Not recommended for flying, cloud base ~190 m, wind 7 km/h, precipitation 7.2 mm.
base ~190m · wind 7 km/h · precip 7.2mmNot recommended for flying, cloud base ~243 m, wind 7 km/h, precipitation 12.0 mm.
base ~243m · wind 7 km/h · precip 12.0mmComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
🌬 Daily wind (next days)
Daily summary (10m wind). Full hour × altitude chart is being added progressively.
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
🗓️ Best season to fly (2024 climatology)
Monthly climate score: historical avg of temp, wind, rain and cloud cover. Green = optimal month.
⭐ Best month: Aug (80/100, 20°C, 94mm lluvia) · Worst month: Jan (5/100, 177mm lluvia)
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 9 | High |
| Avg thermal probability | 0.77 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.15 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Nearby sites
Entrevernes (37) · Montmin (Col de la Forclaz) (47) · Annecy - Planfait (55) · Le Colombier (53) · Chalet de l'Aulp (48) · Col des Frêtes (53)