Grammont
📍 Valais , Monthey District · Nearest city: Tanay (2 km)
51 XC score / 100 · takeoff at 2147 m · 📍 View on map
Coordinates and external links
46.35750, 6.82110Forecast next days
Updated: 2026-04-19 16:21 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~816 m, viento 11 km/h.
base ~816m · wind 11 km/hDía muy favorable para XC, base de cúmulos ~883 m, viento 12 km/h.
base ~883m · wind 12 km/hDía volable, condiciones decentes, base de cúmulos ~1022 m, viento 11 km/h.
base ~1022m · wind 11 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 6 | Medium |
| Avg thermal probability | 0.75 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.25 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
large, grassy meadow
Nearby sites
Vionnaz Frassette Lieu-dit Pro-de-Chaud (56) · Vionnaz Turn (56) · Mayen (60) · Portes d Onne-1920 (61) · Pointe de Bellevue-2030 (43) · Crete des Champeys (57)