Vionnaz Frassette Lieu-dit Pro-de-Chaud
📍 Valais , Monthey District · Nearest city: Vouvry (2 km)
56 XC score / 100 · takeoff at 1311 m · 📍 View on map
Coordinates and external links
46.32070, 6.86777Forecast next days
Updated: 2026-05-02 16:12 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Not recommended for flying, cloud base ~147 m, wind 6 km/h, precipitation 3.1 mm.
base ~147m · wind 6 km/h · precip 3.1mmNot recommended for flying, cloud base ~277 m, wind 8 km/h, precipitation 5.9 mm.
base ~277m · wind 8 km/h · precip 5.9mmComposite 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, 21°C, 88mm lluvia) · Worst month: Jan (5/100, 181mm lluvia)
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 8 | High |
| Avg thermal probability | 0.87 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.33 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Nearby sites
Vionnaz Turn (56) · Mayen (60) · Portes d Onne-1920 (61) · Grammont (51) · Pointe de Bellevue-2030 (43) · Les Pétis (55)