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: 2026-04-22 12:15 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Very favorable day for XC, cloud base ~1805 m, wind 13 km/h.
base ~1805m · wind 13 km/hVery favorable day for XC, cloud base ~1288 m, wind 10 km/h.
base ~1288m · wind 10 km/hFlyable day, decent conditions, cloud base ~1833 m, wind 10 km/h.
base ~1833m · wind 10 km/hFlyable day, decent conditions, cloud base ~2209 m, wind 10 km/h.
base ~2209m · wind 10 km/hComposite 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.
🗓️ 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)
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
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!)
Rules and notes
Do not fly to the west closer than 300m to the ground. >> July-August: be aware of no-fly-zone on south side of Chamonix (Mont Blanc -Aiguille du Midi)! (> see pix) >> LF R-30A active year round!! (> see pix!)
Nearby sites
Chamonix - le savoy (5) · Atterrissage FFVL Bois du Bouchet (5) · Flegere (65) · Aiguillette (les Houches) (59) · Plan de l'Aiguille (Chamonix) (50) · Les houches - aiguillette - l'aiguillette (5)