Weissenstein
📍 Solothurn , Bezirk Lebern · Nearest city: Langendorf (4 km)
51 XC score / 100 · takeoff at 1240 m · 📍 View on map
Coordinates and external links
47.25070, 7.51020Forecast next days
Updated: 2026-04-19 16:21 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~1069 m, viento 15 km/h.
base ~1069m · wind 15 km/hCondiciones marginales, base de cúmulos ~1259 m, viento 16 km/h.
base ~1259m · wind 16 km/hNo recomendable para volar, base de cúmulos ~1425 m, viento fuerte (26 km/h).
base ~1425m · wind 26 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 11 | High |
| Avg thermal probability | 0.73 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.20 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
Large take off for southerly or nill winds. Beware of westerlies, or Bise (NE), creating rotors (with Bise or NW go to Röti).
Rules and notes
Beware of Basel Tango airspace, in doubt stay below 1750m ASL 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/
Pilot comments
This is Switzerland's most frequented XContest launch.
Nearby sites
Röti (Weissenstein) (47) · Walenmatt (45) · Niderwiler Stierenberg (50) · Hasenmatt (52) · Mérvelier (40) · Brandberg (62)