Sobrón
Burgos · Castile and León · Ebro
Capacity
20 hm³
Coordinates
42.765°N, 3.181°W
Operator
CHE
85.0% full
Current fill
85.0%vs 7 days ago
+5.0%gaining
vs 1 year ago
+5.0%year-over-year
7-day trend
↑rising
Drought context
Storage vs October average
95%of normal
85.0% full on 2026-10-06, against an average of 89.6% for October across 9 years of readings (-4.6 points).
Rain over the last three months · 21 September 2026
Severely dry
In the three months to 21 September 2026 the area around Sobrón had far less rain than normal, a shortfall seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.98). Rain, not storage.
EU drought indicator · 11 September 2026
Watchrainfall 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 | 20 hm³ |
| Usable capacity | 18 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| Province | Burgos |
| Autonomous community | Castile and León |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.765, -3.181 · Open in Google Maps
About Sobrón
As of October 6, 2026, Sobrón is filled to 85.0% of its total capacity, holding roughly 17 hm³ of water out of a maximum 20 hm³. At this level the reservoir is high. Of that total, about 18 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 5.0 percentage points, and it is 5.0 points above its level on the same date a year earlier.
Across the readings we hold for Sobrón — 418 data points between October 9, 2018 and October 6, 2026 — the level has ranged from a low of 70.0% (December 7, 2021) to a high of 100.0% (November 12, 2019). On average the reservoir is fullest around June and at its lowest around January.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.765°N, 3.181°W.
Key facts
- Current fill level
- 85.0%
- Water stored
- 17 hm³
- Total capacity
- 20 hm³
- Usable capacity
- 18 hm³
- 7-day change
- ▲ 5.0 pts
- Year-on-year
- ▲ 5.0 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.765°N, 3.181°W
- Last updated
- October 6, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 6 Oct 2026 | 85.0% | 17 |
| 29 Sep 2026 | 80.0% | 16 |
| 22 Sep 2026 | 80.0% | 16 |
| 15 Sep 2026 | 80.0% | 16 |
| 8 Sep 2026 | 80.0% | 16 |
| 1 Sep 2026 | 80.0% | 16 |
| 25 Aug 2026 | 80.0% | 16 |
| 18 Aug 2026 | 80.0% | 16 |
| 11 Aug 2026 | 80.0% | 16 |
| 4 Aug 2026 | 75.0% | 15 |
| 28 Jul 2026 | 80.0% | 16 |
| 21 Jul 2026 | 80.0% | 16 |