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📍 Rhone-Alpes , Departement de l'Isere · Nearest city: La Motte-Saint-Martin (5 km)
53 XC score / 100 · takeoff at 1610 m · 📍 View on map
Coordinates and external links
44.99530, 5.72556Forecast next days
Updated: 2026-04-19 16:18 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~812 m, viento 15 km/h.
base ~812m · wind 15 km/hCondiciones marginales, base de cúmulos ~998 m, viento 17 km/h.
base ~998m · wind 17 km/hCondiciones marginales, base de cúmulos ~1248 m, viento 13 km/h.
base ~1248m · wind 13 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Detailed hourly weather
2026-04-20✅ Flyable · peak 60 at 15h
| 08 30 | 09 50 | 10 40 | 11 40 | 12 50 | 13 50 | 14 50 | 15 60 ☁️⚠️ | 16 50 ☁️⚠️ | 17 50 | 18 60 | 19 50 | 20 50 |
Peak 15h: CAPE 0 J/kg · LI 0.9 · BL top 1215 m · w* 0.0 m/s · cloud base 3172 m · 0°C at 2910 m · Pro score 66/100 · sun 31° over slope
2026-04-21⚠️ Marginal · peak 55 at 19h
- Día muy estable (CAPE<50, LI>2) — sin térmicas
| 08 30 | 09 30 | 10 30 | 11 30 | 12 30 | 13 30 | 14 30 ☁️⚠️ | 15 30 ☁️⚠️ | 16 50 | 17 50 | 18 50 | 19 55 | 20 55 |
Peak 19h: CAPE 0 J/kg · LI 3.0 · BL top 615 m · w* 0.0 m/s · cloud base 2472 m · 0°C at 2920 m · Pro score 52/100
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: 15:00 (peak of the day)
Surface T: 12.3°C · Td: -0.2°C
LCL (cloud base): 1562 m
BL top: 1215 m
0°C level: 2910 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) | 4 | Medium |
| Avg thermal probability | 0.79 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.45 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
on the top of the hill. It\'s in the middle of grenoble\'s valley.
Pilot comments
I don\'t use this site usually. Maybe someone have other informations...
Nearby sites
Laffrey Les Tibannes (42) · Le Col Vert (46) · Varces - Pré du Four (56) · Varces-plateau de Saint Anges (46) · Villard - cote 2000 (54) · Le Murier 4 Seigneurs (31)