Le Grand Mont
📍 Rhone-Alpes , Departement de la Savoie · Nearest city: La Bathie (7 km)
63 XC score / 100 · takeoff at 2652 m · 📍 View on map
Coordinates and external links
45.63210, 6.53710Forecast next days
Updated: 2026-05-02 16:05 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Not recommended for flying, cloud base ~505 m, wind 16 km/h, precipitation 4.8 mm.
base ~505m · wind 16 km/h · precip 4.8mmNot recommended for flying, cloud base ~269 m, wind 7 km/h, precipitation 11.6 mm.
base ~269m · wind 7 km/h · precip 11.6mmComposite 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 (81/100, 14°C, 75mm lluvia) · Worst month: May (5/100, 176mm lluvia)
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 5 | Medium |
| Avg thermal probability | 0.80 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.62 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
summit montain, grass slope.
Nearby sites
Fenetre 7 (46) · Naves (lac des bozons) (51) · Roche parstir (47) · Montgirod-Arcachat (69) · Pra Plan (45) · Bisanne Sud (66)