Hinterglemm (Zwolferkogel)
📍 Salzburg , Politischer Bezirk Zell am See · Nearest city: Uttendorf (8 km)
69 XC score / 100 · takeoff at 1921 m · 📍 View on map
Coordinates and external links
47.35670, 12.56660Forecast next days
Updated: 2026-04-20 13:17 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~399 m, viento 16 km/h.
base ~399m · wind 16 km/hDía volable, condiciones decentes, base de cúmulos ~583 m, viento 15 km/h.
base ~583m · wind 15 km/hDía volable, condiciones decentes, base de cúmulos ~1166 m, viento 13 km/h.
base ~1166m · wind 13 km/hCondiciones marginales, base de cúmulos ~1813 m, viento 20 km/h.
base ~1813m · wind 20 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Wind chart — altitude × time
Color: green < 20 km/h · yellow 20-30 · red >40. Arrows point to where the wind is blowing. Each column = 1 hour. 4 altitudes: 10m surface, 80m first thermal, 1500m (850 hPa) thermal cruise, 3000m (700 hPa) top.
Wind next days (Open-Meteo model)
Wind rose 10m — 2026-04-20
| Date | Morning 08-12h | Midday 12-16h | Evening 16-20h | |||
|---|---|---|---|---|---|---|
| 2026-04-20 | 7 km/h NW | gust 36 | 12 km/h NW | gust 42 | 13 km/h NW | gust 44 |
| 2026-04-21 | 6 km/h NW | gust 44 | 8 km/h N | gust 30 | 7 km/h N | gust 23 |
Colors: green < 15 km/h (optimal) · orange 15-25 · red >25 (flying not recommended). ⚠️ = shear >25 km/h between 10m and 850 hPa (potentially broken thermals).
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 | 0.76 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.88 | 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
Take the zwolferkogelbahn up, walk straight down for about 150m. Takeoff is usually to the south(east).
Nearby sites
Schattberg (Hinterglemm) (53) · Buchensteinwand (44) · Schönleiten (50) · Grosse Asitzkopf (35) · Schmittenhöhe (Zell am See) (68) · Hollersbach im Pinzgau (Berghof) (38)