Barasona
Huesca · Aragon · Ebro
Capacity
85 hm³
Coordinates
42.142°N, 0.327°E
Operator
CHE
31.8% full
Current fill
31.8%vs 7 days ago
+10.6 ppgaining
vs 1 year ago
-16.4 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
78%of normal
31.8% full on 2026-10-27, against an average of 40.6% for October across 9 years of readings (-8.8 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Barasona had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.18). Rain, not storage.
EU drought indicator · 11 October 2026
Warningsoil-moisture deficit
The European Drought Observatory's combined reading of rain, soil moisture and vegetation at this point. Watch means rain has been short, Warning that the soil has dried out, Alert that vegetation is visibly stressed; Recovery means the shortfall is easing. Ground conditions, not the reservoir's storage. Spain drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 85 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| River | Ésera Embalse aguas abajo: Ribarroja Tipo de Presa: Gravedad Año de construcción (Final): 1932 Superficie: 664,27 ha Localización: Ver Mapa |
| Province | Huesca |
| Region | Aragon |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.142°N, 0.327°E · Open in Google Maps
About Barasona
As of October 27, 2026, Barasona is filled to 31.8% of its total capacity, holding 27 hm³ of water out of a maximum 85 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has risen by 10.6 percentage points, and it is 16.4 points below its level on the same date a year earlier.
Across the readings we hold for Barasona — 418 data points between October 30, 2018 and October 27, 2026 — the level has ranged from a low of 10.6% (October 15, 2019) to a high of 100.0% (June 2, 2020). On average the reservoir is fullest around June and at its lowest around October.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.142°N, 0.327°E.
Key facts
- Current fill level
- 31.8% of total capacity
- Water stored
- 27 hm³
- Total capacity
- 85 hm³
- 7-day change
- ▲ 10.6 pp
- Year-on-year
- ▼ 16.4 pp
- Primary use
- Multipurpose
- River
- Ésera Embalse aguas abajo: Ribarroja Tipo de Presa: Gravedad Año de construcción (Final): 1932 Superficie: 664,27 ha Localización: Ver Mapa
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.142°N, 0.327°E
- Last updated
- October 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Oct 2026 | 31.8% | 27 |
| 20 Oct 2026 | 21.2% | 18 |
| 13 Oct 2026 | 18.8% | 16 |
| 6 Oct 2026 | 16.5% | 14 |
| 29 Sep 2026 | 17.6% | 15 |
| 22 Sep 2026 | 21.2% | 18 |
| 15 Sep 2026 | 27.1% | 23 |
| 8 Sep 2026 | 32.9% | 28 |
| 1 Sep 2026 | 38.8% | 33 |
| 25 Aug 2026 | 41.2% | 35 |
| 18 Aug 2026 | 45.9% | 39 |
| 11 Aug 2026 | 52.9% | 45 |