Alp Stein
📍 Grisons , Surselva District · Nearest city: Breil (7 km)
52 XC score / 100 · takeoff at 2160 m · 📍 View on map
Coordinates and external links
46.72540, 9.12623Forecast next days
Updated: 2026-04-21 01:33 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Flyable day, decent conditions, cloud base ~1040 m, wind 15 km/h.
base ~1040m · wind 15 km/hVery favorable day for XC, cloud base ~1118 m, wind 13 km/h.
base ~1118m · wind 13 km/hFlyable day, decent conditions, cloud base ~2004 m, wind 11 km/h.
base ~2004m · wind 11 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
🌬 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 | 0.53 | 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
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
Hitzeggen (Val Lumnezia) (56) · Piz Mundaun (53) · Bündner Rigi (40) · Alp Da Siat (5) · Leisalp (50) · Alp Motta (5)