Tete noire de Pormenaz
📍 Rhone-Alpes , Departement de la Haute-Savoie · Nearest city: Les Houches (8 km)
48 XC score / 100 · takeoff at 2291 m · 📍 View on map
Coordinates and external links
45.95770, 6.79999Forecast next days
Updated: 2026-05-02 16:27 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Not recommended for flying, cloud base ~604 m, wind 11 km/h, precipitation 5.5 mm.
base ~604m · wind 11 km/h · precip 5.5mmNot recommended for flying, cloud base ~241 m, wind 8 km/h, precipitation 12.4 mm.
base ~241m · wind 8 km/h · precip 12.4mmComposite 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 (76/100, 17°C, 51mm lluvia) · Worst month: Mar (5/100, 158mm lluvia)
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 4 | Medium |
| Avg thermal probability | 0.86 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.19 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
Take car about all the restricted flying zone: Passy reserve (300m ASL min) and the Bearded vulture nesting zone. please check https://parapente.ffvl.fr/sites/parapente.ffvl.fr/files/ZSM%20Passy%20dec%202017%20light.jpg before flying.
Nearby sites
Aiguillette (les Houches) (59) · Plaine Joux (Passy) (66) · Plan Praz/ Brevent (Chamonix) (56) · Flegere (65) · Mont Lachat (58) · Platé (60)