Plaine Joux (Passy)
📍 Rhone-Alpes , Departement de la Haute-Savoie · Nearest city: Passy (5 km)
66 XC score / 100 · takeoff at 1353 m · 📍 View on map
Coordinates and external links
45.94960, 6.73970Forecast next days
Updated: 2026-05-02 16:03 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Not recommended for flying, cloud base ~604 m, wind 8 km/h, precipitation 4.8 mm.
base ~604m · wind 8 km/h · precip 4.8mmNot recommended for flying, cloud base ~499 m, wind 9 km/h, precipitation 10.1 mm.
base ~499m · wind 9 km/h · precip 10.1mmComposite 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 (88/100, 23°C, 79mm lluvia) · Worst month: Dec (20/100, 193mm lluvia)
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 7 | Medium |
| Avg thermal probability | 0.83 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.71 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
At Plaine Joux. Wide take off, nicely prepared. Can be windy the afternoon (valley brise)
Nearby sites
Frioland (64) · Platé (60) · Barmerousse (53) · Varan dit "Verdun" (61) · Saint-Gervais-les-Bains - Plancert (49) · Varan dit "Pobu" (55)