Montana - Bella Lui
📍 Valais , Sierre District · Nearest city: Randogne (4 km)
74 XC score / 100 · takeoff at 2510 m · 📍 View on map
Coordinates and external links
46.34440, 7.48611Forecast next days
Updated: 2026-04-20 13:15 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~1447 m, viento 24 km/h.
base ~1447m · wind 24 km/hDía volable, condiciones decentes, base de cúmulos ~818 m, viento fuerte (25 km/h).
base ~818m · wind 25 km/hDía volable, condiciones decentes, base de cúmulos ~1091 m, viento 7 km/h.
base ~1091m · wind 7 km/hDía volable, condiciones decentes, base de cúmulos ~1401 m, viento 10 km/h.
base ~1401m · wind 10 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Wind chart — altitude × time
Color: green < 20 km/h · yellow 20-30 · red >40. Arrows point to where the wind is blowing. Each column = 1 hour. 4 altitudes: 10m surface, 80m first thermal, 1500m (850 hPa) thermal cruise, 3000m (700 hPa) top.
Wind next days (Open-Meteo model)
Wind rose 10m — 2026-04-20
| Date | Morning 08-12h | Midday 12-16h | Evening 16-20h | |||
|---|---|---|---|---|---|---|
| 2026-04-20 | 2 km/h NW | gust 14 | 14 km/h NW | gust 31 | 18 km/h NW | gust 37 |
| 2026-04-21 | 4 km/h NW | gust 23 | 8 km/h NW | gust 26 | 10 km/h NW | gust 32 |
Colors: green < 15 km/h (optimal) · orange 15-25 · red >25 (flying not recommended). ⚠️ = shear >25 km/h between 10m and 850 hPa (potentially broken thermals).
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 | 0.74 | Based on thousands of aggregated IGC flights |
| Solar orientation | 1.00 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Pilot comments
More info on http://www.flyland.ch. Airspaces in Switzerland are a though subject, get all the info you can get before flying.
Nearby sites
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