Sierra Boyera
Córdoba · Andalusia · Guadalquivir
Capacity
39 hm³
Coordinates
38.272°N, 5.249°W
Operator
CHGu
Current fill
94.9%vs 7 days ago
-2.5%losing
vs 1 year ago
-2.5%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 39 hm³ |
| Usable capacity | 35.1 hm³ |
| Primary use | Multi-purpose |
| Operator | CHGu |
| Province | Córdoba |
| Autonomous community | Andalusia |
| River basin | Guadalquivir |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.272, -5.249 · Open in Google Maps
About Sierra Boyera
As of June 9, 2026, Sierra Boyera is filled to 94.9% of its total capacity, holding roughly 37 hm³ of water out of a maximum 39 hm³. At this level the reservoir is high. Of that total, about 35 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 2.5 percentage points, and it is 2.5 points below its level on the same date a year earlier.
Across the readings we hold for Sierra Boyera — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 0.0% (March 14, 2023) to a high of 100.0% (April 1, 2025). On average the reservoir is fullest around April and at its lowest around November.
It is operated by CHGu primarily for multiple purposes. It lies within the Guadalquivir basin at 38.272°N, 5.249°W.
Key facts
- Current fill level
- 94.9%
- Water stored
- 37 hm³
- Total capacity
- 39 hm³
- Usable capacity
- 35 hm³
- 7-day change
- ▼ 2.5 pts
- Year-on-year
- ▼ 2.5 pts
- Primary use
- Multipurpose
- River basin
- Guadalquivir
- Operator
- CHGu
- Coordinates
- 38.272°N, 5.249°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 94.9% | 37 |
| 2 Jun 2026 | 97.4% | 38 |
| 26 May 2026 | 97.4% | 38 |
| 19 May 2026 | 97.4% | 38 |
| 12 May 2026 | 100.0% | 39 |
| 5 May 2026 | 100.0% | 39 |
| 28 Apr 2026 | 100.0% | 39 |
| 21 Apr 2026 | 100.0% | 39 |
| 14 Apr 2026 | 100.0% | 39 |
| 7 Apr 2026 | 100.0% | 39 |
| 31 Mar 2026 | 100.0% | 39 |
| 24 Mar 2026 | 100.0% | 39 |
Frequently asked questions
What is the current water level of Sierra Boyera?
As of June 9, 2026, Sierra Boyera is at 94.9% of its capacity, holding approximately 37 hm³ of water, according to MITECO data.
Is Sierra Boyera reservoir full?
No. As of June 9, 2026, Sierra Boyera is high at 94.9% of its capacity, so it is not full.
Is the water level at Sierra Boyera rising or falling?
The level at Sierra Boyera is falling — it dropped 2.5 percentage points over the latest week on record.
How much water can Sierra Boyera hold?
Sierra Boyera has a total capacity of 39 hm³, of which about 35 hm³ is usable storage.
Where is Sierra Boyera reservoir located?
Sierra Boyera is located in Córdoba, Andalusia, Spain, within the Guadalquivir basin (coordinates 38.272°N, 5.249°W).
What is Sierra Boyera used for?
Sierra Boyera is used primarily for multiple purposes, and is managed by CHGu.