Tumwater Mountain
📍 Washington , Chelan County · Nearest city: Leavenworth (3 km)
21 XC score / 100 · takeoff at 1260 m · 📍 View on map
Coordinates and external links
Lat / Lng:
47.59830, -120.69800Loading real-time wind…
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
5
-3°C
Feb
20
1°C
Mar
43
4°C
Apr
75
9°C
May
83
14°C
Jun
83
18°C
Jul
100
27°C
Aug
88
24°C
Sep
95
21°C
Oct
76
12°C
Nov
5
2°C
Dec
5
-0°C
⭐ Best month: Jul (100/100, 27°C, 4mm lluvia) · Worst month: Dec (5/100, 192mm lluvia)
☀️ Sun times (local · America/Los_Angeles)
Best flying hours: thermals start ~2h after sunrise, peak at solar noon, glass-off from golden hour
Sunrise: 06:00
Solar noon: 13:01
Golden hour: 19:01 (last thermal + glass-off)
Sunset: 20:01
Day: 14.0 h daylight hours
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 0 | Low |
| Avg thermal probability | 0.00 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.64 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
Mountain launch. Small, room to layout one glider. Steep, narrow corridor launch. 2900ft vertical. Town and LZ is almost directly below launch.
Nearby sites
Icicle Ridge (12) · Chelan Butte (26) · Goat Peak (Mazama) (16) · Tiger Mountain (23) · Callisto Launch (10) · Bingen (25)
Information derived from public data (ParaglidingEarth, kk7). Before flying: contact local pilots, check the METAR of the nearest airport and review today's forecast.