Hitzeggen (Val Lumnezia)
📍 Grisons , Surselva District · Nearest city: Ilanz (7 km)
56 XC score / 100 · takeoff at 2040 m · 📍 View on map
Coordinates and external links
46.73510, 9.13962Forecast next days
Updated: 2026-04-21 01:24 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Flyable day, decent conditions, cloud base ~1105 m, wind 17 km/h.
base ~1105m · wind 17 km/hVery favorable day for XC, cloud base ~1301 m, wind 12 km/h.
base ~1301m · wind 12 km/hFlyable day, decent conditions, cloud base ~2013 m, wind 11 km/h.
base ~2013m · wind 11 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Detailed hourly weather
2026-04-21⚠️ Marginal · peak 78 at 16h
- High cloud suck (98/100) — base below freezing with CU
| 08 20 ☁️⚠️ | 09 30 ☁️⚠️ | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 55 ☁️⚠️ | 13 55 ☁️⚠️ | 14 58 ☁️⚠️ | 15 73 ☁️⚠️ | 16 78 ☁️⚠️ | 17 78 ☁️⚠️ | 18 65 ☁️⚠️ | 19 70 ☁️⚠️ | 20 55 ☁️⚠️ |
Peak 16h: CAPE 10 J/kg · LI -0.4 · BL top 1420 m · w* 0.0 m/s · cloud base 3352 m · 0°C at 1890 m · Pro score 62/100 · sun 24° 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: 16:00 (peak of the day)
Surface T: 6.4°C · Td: -4.1°C
LCL (cloud base): 1312 m
BL top: 1420 m
0°C level: 1890 m
Approximate profile from surface variables + synoptic levels. Red lines = temperature, dashed blue = dew point. Orange bands = detected inversions.
🌬 Daily wind (next days)
Daily summary (10m wind). Full hour × altitude chart is being added progressively.
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 2 | Low |
| Avg thermal probability | 0.80 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.68 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Upcoming competitions in this country
- PWCA Italy Gemona 2026 · 2026-07-25 – 2026-08-01 · PWCA
Copa del Mundo en Gemona del Friuli, Italia
Takeoff description
Usually you'll have thermic upwinds on the south side of the slope. The best place to launch is probably the steep meadow west of the gondola station.
Pilot comments
Airspaces in Switzerland are a tough subject, get all the info you can get before flying: http://www.flyland.ch. DABS (active danger areas etc): https://www.skybriefing.com/portal/
Nearby sites
Alp Stein (52) · Piz Mundaun (53) · Bündner Rigi (40) · Alp Da Siat (5) · Alp Motta (5) · Riein (48)