Plan Praz/ Brevent (Chamonix)
📍 Rhone-Alpes , Departement de la Haute-Savoie · Nearest city: Chamonix-Mont-Blanc (2 km)
56 XC score / 100 · takeoff at 1927 m · 📍 View on map
Coordinates and external links
45.93560, 6.85500Forecast 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 ~781 m, wind 11 km/h, precipitation 6.0 mm.
base ~781m · wind 11 km/h · precip 6.0mmNot recommended for flying, cloud base ~466 m, wind 10 km/h, precipitation 6.5 mm.
base ~466m · wind 10 km/h · precip 6.5mmComposite 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 (83/100, 19°C, 51mm lluvia) · Worst month: Mar (5/100, 158mm lluvia)
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 8 | High |
| Avg thermal probability | 0.84 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.30 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
ATTN: South TO: you must pass UNDERNEATH the cables of the 'le Brevent'-cable car! (> see pix!)
Nearby sites
Flegere (65) · Aiguillette (les Houches) (59) · Plan de l'Aiguille (Chamonix) (50) · Tete noire de Pormenaz (48) · Aiguille du Midi -S / N (61) · Mont Blanc (56)