Les Diablerets
📍 Valais , Conthey District · Nearest city: Ardon (13 km)
59 XC score / 100 · takeoff at 2880 m · 📍 View on map
Coordinates and external links
46.32390, 7.20816Forecast next days
Updated: 2026-04-20 12:35 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~1147 m, viento 18 km/h.
base ~1147m · wind 18 km/hDía volable, condiciones decentes, base de cúmulos ~458 m, viento 17 km/h.
base ~458m · wind 17 km/hDía muy favorable para XC, base de cúmulos ~1240 m, viento 11 km/h.
base ~1240m · wind 11 km/hDía volable, condiciones decentes, base de cúmulos ~1341 m, viento 11 km/h.
base ~1341m · wind 11 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Detailed hourly weather
2026-04-20❌ Not recommended · peak 50 at 8h
- Cobertura nubosa >85% — sin radiación para disparar
- Cloud suck alto (100/100) — base bajo freezing con CU
| 08 50 ☁️⚠️ | 09 50 ☁️⚠️ | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 50 ☁️⚠️ | 13 40 ☁️⚠️ | 14 40 ☁️⚠️ | 15 30 ☁️⚠️ | 16 45 ☁️⚠️ | 17 40 ☁️⚠️ | 18 40 ☁️⚠️ | 19 50 ☁️⚠️ | 20 50 ☁️⚠️ |
Peak 8h: CAPE 0 J/kg · LI 2.3 · BL top 190 m · w* 0.0 m/s · cloud base 4005 m · 0°C at 2650 m · Pro score 64/100 · sun 24° over slope
2026-04-21❌ Not recommended · peak 55 at 12h
- Cobertura nubosa >85% — sin radiación para disparar
- Cloud suck alto (100/100) — base bajo freezing con CU
| 08 30 ☁️⚠️ | 09 50 ☁️⚠️ | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 55 ☁️⚠️ | 13 55 ☁️⚠️ | 14 55 ☁️⚠️ | 15 50 ☁️⚠️ | 16 45 ☁️⚠️ | 17 50 ☁️⚠️ | 18 50 ☁️⚠️ | 19 35 ☁️⚠️ | 20 35 ☁️⚠️ |
Peak 12h: CAPE 0 J/kg · LI 1.9 · BL top 1385 m · w* 0.0 m/s · cloud base 3542 m · 0°C at 2340 m · Pro score 66/100 · sun 40° over slope
Hourly flyability (0–100). ⛈️ = storm risk · ☁️⚠️ = cloud suck · 🏔️ = active ridge lift. CAPE = convective energy, LI = stability, BL top = thermal ceiling, w* = estimated dry thermal velocity. Source: Open-Meteo (ECMWF/GFS/ICON blend model).
Estimated vertical profile (Sounding)
Reference time: 08:00 (peak of the day)
Surface T: -3.0°C · Td: -12.0°C
LCL (cloud base): 1125 m
BL top: 190 m
0°C level: 2650 m
Approximate profile from surface variables + synoptic levels. Red lines = temperature, dashed blue = dew point. Orange bands = detected inversions.
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 7 | Medium |
| Avg thermal probability | 0.79 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.38 | 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 thought subject, get all the info you can get befire flying.
Nearby sites
L’Alpe des Chaux (62) · La Videmanette-2180 (48) · Rocher à Pointes (48) · La Videmanette-2120 (51) · Les Bouquetins (50) · Le Chamossaire-1980 (61)