Thollon les memises - Col de Pertuis
📍 Rhone-Alpes , Departement de la Haute-Savoie · Nearest city: Lugrin (4 km)
64 XC score / 100 · takeoff at 1589 m · 📍 View on map
Coordinates and external links
46.37290, 6.70493Forecast next days
Updated: 2026-04-19 16:04 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~887 m, viento 12 km/h.
base ~887m · wind 12 km/hDía muy favorable para XC, base de cúmulos ~951 m, viento 10 km/h.
base ~951m · wind 10 km/hDía muy favorable para XC, base de cúmulos ~1015 m, viento 10 km/h.
base ~1015m · wind 10 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Wind chart — altitude × time
Color: green < 20 km/h · yellow 20-30 · red >40. Arrows point to where the wind is blowing. Each column = 1 hour. 4 altitudes: 10m surface, 80m first thermal, 1500m (850 hPa) thermal cruise, 3000m (700 hPa) top.
Wind next days (Open-Meteo model)
Wind rose 10m — 2026-04-20
| Date | Morning 08-12h | Midday 12-16h | Evening 16-20h | |||
|---|---|---|---|---|---|---|
| 2026-04-20 | 6 km/h W | gust 30 | 11 km/h NW | gust 33 | 8 km/h NW | gust 34 |
| 2026-04-21 | 3 km/h NW | gust 18 | 8 km/h NW | gust 26 | 7 km/h N | gust 25 |
Colors: green < 15 km/h (optimal) · orange 15-25 · red >25 (flying not recommended). ⚠️ = shear >25 km/h between 10m and 850 hPa (potentially broken thermals).
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 9 | High |
| Avg thermal probability | 0.82 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.55 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
Take Off with S-SE wind
Pilot comments
https://www.youtube.com/watch?v=T3thr0iFu7M
Nearby sites
Le Hucel (41) · Thollon les memises (51) · Abondance (58) · Morzine (54) · Avoriaz (64) · Chatel Morclan (summit) (59)