Alp Culmatsch

📍 Uri · Nearest city: Silenen (12 km)

48 XC score / 100 · takeoff at 2214 m · 📍 View on map

Coordinates and external links
Lat / Lng: 46.68100, 8.71762
🗺️ OpenStreetMap 📍 Google Maps 🌬️ Windy 🔥 KK7 Thermals
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Forecast next days

Updated: 2026-05-02 16:27 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time

2026-05-0437/100

Marginal conditions, cloud base ~795 m, strong wind (27 km/h).

base ~795m · wind 27 km/h
2026-05-0565/100

Flyable day, decent conditions, cloud base ~336 m, wind 13 km/h, precipitation 1.0 mm.

base ~336m · wind 13 km/h · precip 1.0mm

Composite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.

🌬 Daily wind (next days)

05-04
↑ 26
km/h medio
05-05
↑ 13
km/h medio

Daily summary (10m wind). Full hour × altitude chart is being added progressively.

Takeoff orientations

NNEESE SSWWNW

Green = good orientation · Yellow = possible · Gray = not suitable

🗓️ Best season to fly (2024 climatology)

Monthly climate score: historical avg of temp, wind, rain and cloud cover. Green = optimal month.

Jan
20
-4°C
Feb
20
-1°C
Mar
5
-1°C
Apr
5
1°C
May
30
5°C
Jun
38
11°C
Jul
68
15°C
Aug
76
17°C
Sep
45
6°C
Oct
5
5°C
Nov
35
1°C
Dec
35
-4°C

Best month: Aug (76/100, 17°C, 48mm lluvia) · Worst month: Oct (5/100, 166mm lluvia)

☀️ Sun times (local · Europe/Zurich)
Best flying hours: thermals start ~2h after sunrise, peak at solar noon, glass-off from golden hour
Sunrise: 06:25
Solar noon: 13:23
Golden hour: 19:22 (last thermal + glass-off)
Sunset: 20:22
Day: 13.9 h daylight hours

Why this site has thermal potential

FactorValueInterpretation
Hotspot density (5 km)10 High
Avg thermal probability0.76 Based on thousands of aggregated IGC flights
Solar orientation0.00 Slope faces south in northern hemisphere
Own flight history0.00 Thermals detected in platform IGC tracks

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Nearby sites

Alp Tgom, Sedrun (48) · Cungieri-1800 (59) · Egg (33) · Hanenspil (32) · Disentis: Caischavedra - Lai Alv - Plaun Tir (54) · Rigg (43)

View on ParaglidingEarth

Information derived from public data (ParaglidingEarth, kk7). Before flying: contact local pilots, check the METAR of the nearest airport and review today's forecast.