Tres Marías (Ullum Dam)
📍 San Juan , Departamento de Rivadavia · Nearest city: Rivadavia (8 km)
35 XC score / 100 · takeoff at 1047 m · 📍 View on map
Coordinates and external links
Lat / Lng:
-31.48120, -68.65620Loading 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
83
32°C
Feb
81
30°C
Mar
93
29°C
Apr
95
21°C
May
88
13°C
Jun
88
15°C
Jul
93
12°C
Aug
83
14°C
Sep
100
23°C
Oct
88
25°C
Nov
83
29°C
Dec
83
30°C
⭐ Best month: Sep (100/100, 23°C, 0mm lluvia) · Worst month: Feb (81/100, 37mm lluvia)
☀️ Sun times (local · America/Argentina/San_Juan)
Best flying hours: thermals start ~2h after sunrise, peak at solar noon, glass-off from golden hour
Sunrise: 07:59
Solar noon: 13:33
Golden hour: 18:06 (last thermal + glass-off)
Sunset: 19:06
Day: 11.1 h daylight hours
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 2 | Low |
| Avg thermal probability | 0.90 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.00 | Slope faces north in southern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Real takeoff terrain
| SRTM elevation | 1047 m AMSL |
| Average slope | 14.7° |
| Slope aspect | 103° (E) |
| Hemisphere | south — Orientation unfavorable for direct solar thermals |
Derived from SRTM 30m (NASA).
Nearby sites
SkyTour.com.ar (64) · Cerro Arco (Mendoza) (44) · Cerro Arco (Mendoza) (60) · SFMO (32) · Cerro de la cruz (49) · Nina Paula (58)
Information derived from public data (ParaglidingEarth, kk7). Before flying: contact local pilots, check the METAR of the nearest airport and review today's forecast.