BELO MONTE
Pará · AMAZONAS
Capacity
2,276.29 hm³
Coordinates
-3.126°N, 51.775°W
Operator
ONS
97.0% full
Current fill
97.0%vs 7 days ago
-2.1%losing
vs 1 year ago
N/A7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 2,276.29 hm³ |
| Usable capacity | 610.72 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | XINGU |
| Province | Pará |
| River basin | AMAZONAS |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -3.126, -51.775 · Open in Google Maps
About BELO MONTE
As of September 9, 2026, BELO MONTE is filled to 97.0% of its total capacity, holding roughly 593 hm³ of water out of a maximum 2,276 hm³. At this level the reservoir is high. Of that total, about 611 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 2.1 percentage points.
Across the readings we hold for BELO MONTE — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 26.3% (April 10, 2026) to a high of 102.5% (August 21, 2026). On average the reservoir is fullest around August and at its lowest around April.
It is operated by ONS primarily for hydroelectric power. It lies within the AMAZONAS basin at 3.126°S, 51.775°W.
Key facts
- Current fill level
- 97.0%
- Water stored
- 593 hm³
- Total capacity
- 2,276 hm³
- Usable capacity
- 611 hm³
- 7-day change
- ▼ 2.1 pts
- Primary use
- Hydroelectric power
- River
- XINGU
- River basin
- AMAZONAS
- Operator
- ONS
- Coordinates
- 3.126°S, 51.775°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 97.0% | 593 |
| 4 Sep 2026 | 99.1% | 605 |
| 28 Aug 2026 | 102.3% | 625 |
| 21 Aug 2026 | 102.5% | 626 |
| 14 Aug 2026 | 101.6% | 621 |
| 7 Aug 2026 | 97.7% | 597 |
| 31 Jul 2026 | 98.8% | 604 |
| 24 Jul 2026 | 95.2% | 581 |
| 17 Jul 2026 | 92.9% | 567 |
| 10 Jul 2026 | 94.3% | 576 |
| 3 Jul 2026 | 89.5% | 547 |
| 26 Jun 2026 | 90.6% | 554 |