Sierra Boyera
Córdoba · Andalusia · Guadalquivir
Capacity
39 hm³
Coordinates
38.272°N, 5.249°W
Operator
CHGu
84.6% full
Current fill
84.6%vs 7 days ago
-2.6%losing
vs 1 year ago
-2.6%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 July 27, 2026, Sierra Boyera is filled to 84.6% of its total capacity, holding roughly 33 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 2.6 percentage points, and it is 2.6 points below its level on the same date a year earlier.
Across the readings we hold for Sierra Boyera — 420 data points between July 17, 2018 and July 27, 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
- 84.6%
- Water stored
- 33 hm³
- Total capacity
- 39 hm³
- Usable capacity
- 35 hm³
- 7-day change
- ▼ 2.6 pts
- Year-on-year
- ▼ 2.6 pts
- Primary use
- Multipurpose
- River basin
- Guadalquivir
- Operator
- CHGu
- Coordinates
- 38.272°N, 5.249°W
- Last updated
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 84.6% | 33 |
| 20 Jul 2026 | 87.2% | 34 |
| 14 Jul 2026 | 87.2% | 34 |
| 7 Jul 2026 | 89.7% | 35 |
| 30 Jun 2026 | 92.3% | 36 |
| 23 Jun 2026 | 92.3% | 36 |
| 16 Jun 2026 | 94.9% | 37 |
| 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 |
Frequently asked questions
What is the current water level of Sierra Boyera?
As of July 27, 2026, Sierra Boyera is at 84.6% of its capacity, holding approximately 33 hm³ of water, according to embalses.net data.
Is Sierra Boyera reservoir full?
No. As of July 27, 2026, Sierra Boyera is high at 84.6% 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 2.6 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.