Refuge de Chalin
📍 Valais , Monthey District · Nearest city: Troistorrents (6 km)
53 XC score / 100 · takeoff at 2585 m · 📍 View on map
Coordinates and external links
46.17930, 6.94771Forecast next days
Updated: 2026-04-19 16:17 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~311 m, viento 14 km/h.
base ~311m · wind 14 km/hDía volable, condiciones decentes, base de cúmulos ~856 m, viento 11 km/h.
base ~856m · wind 11 km/hDía muy favorable para XC, base de cúmulos ~1625 m, viento 10 km/h.
base ~1625m · wind 10 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 63 at 18h
- 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 50 ☁️⚠️ | 13 50 ☁️⚠️ | 14 40 ☁️⚠️ | 15 45 ☁️⚠️ | 16 35 ☁️⚠️ | 17 55 ☁️⚠️ | 18 63 ☁️⚠️ | 19 50 ☁️⚠️ | 20 50 ☁️⚠️ |
Peak 18h: CAPE 0 J/kg · LI -0.1 · BL top 810 m · w* 0.0 m/s · cloud base 3035 m · 0°C at 2590 m · Pro score 58/100 · sun 10° over slope
2026-04-21⚠️ Marginal · peak 60 at 12h
- Cloud suck alto (82/100) — base bajo freezing con CU
| 08 30 ☁️⚠️ | 09 30 ☁️⚠️ | 10 30 ☁️⚠️ | 11 55 ☁️⚠️ | 12 60 ☁️⚠️ | 13 60 ☁️⚠️ | 14 55 ☁️⚠️ | 15 60 ☁️⚠️ | 16 60 ☁️⚠️ | 17 50 ☁️⚠️ | 18 50 ☁️⚠️ | 19 55 ☁️⚠️ | 20 35 ☁️⚠️ |
Peak 12h: CAPE 10 J/kg · LI 2.9 · BL top 1385 m · w* 0.0 m/s · cloud base 3772 m · 0°C at 1930 m · Pro score 63/100 · 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: 18:00 (peak of the day)
Surface T: 0.2°C · Td: -3.4°C
LCL (cloud base): 450 m
BL top: 810 m
0°C level: 2590 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) | 6 | Medium |
| Avg thermal probability | 0.79 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.26 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
rocky take off, but there is some grass, sometimes. East is very deep, need face wind
Pilot comments
Alpine site.
Nearby sites
Valerette (56) · Signal de Soi (56) · Mex Aiguille (45) · Les Giettes (34) · Antème (49) · Les Pétis (55)