Las Rozas
León · Castile and León · Miño - Sil
Capacity
28 hm³
Coordinates
42.921°N, 6.337°W
Operator
CHS
Current fill
57.1%vs 7 days ago
-3.6%losing
vs 1 year ago
-28.6%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 28 hm³ |
| Usable capacity | 25.2 hm³ |
| Primary use | Multi-purpose |
| Operator | CHS |
| Province | León |
| Autonomous community | Castile and León |
| River basin | Miño - Sil |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.921, -6.337 · Open in Google Maps
About Las Rozas
As of June 9, 2026, Las Rozas is filled to 57.1% of its total capacity, holding roughly 16 hm³ of water out of a maximum 28 hm³. At this level the reservoir is within its normal operating range. Of that total, about 25 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 3.6 percentage points, and it is 28.6 points below its level on the same date a year earlier.
Across the readings we hold for Las Rozas — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 0.0% (October 12, 2021) to a high of 100.0% (February 2, 2021). On average the reservoir is fullest around February and at its lowest around November.
It is operated by CHS primarily for multiple purposes. It lies within the Miño - Sil basin at 42.921°N, 6.337°W.
Key facts
- Current fill level
- 57.1%
- Water stored
- 16 hm³
- Total capacity
- 28 hm³
- Usable capacity
- 25 hm³
- 7-day change
- ▼ 3.6 pts
- Year-on-year
- ▼ 28.6 pts
- Primary use
- Multipurpose
- River basin
- Miño - Sil
- Operator
- CHS
- Coordinates
- 42.921°N, 6.337°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 57.1% | 16 |
| 2 Jun 2026 | 60.7% | 17 |
| 26 May 2026 | 64.3% | 18 |
| 19 May 2026 | 67.9% | 19 |
| 12 May 2026 | 71.4% | 20 |
| 5 May 2026 | 75.0% | 21 |
| 28 Apr 2026 | 82.1% | 23 |
| 21 Apr 2026 | 89.3% | 25 |
| 14 Apr 2026 | 96.4% | 27 |
| 7 Apr 2026 | 92.9% | 26 |
| 31 Mar 2026 | 92.9% | 26 |
| 24 Mar 2026 | 92.9% | 26 |
Frequently asked questions
What is the current water level of Las Rozas?
As of June 9, 2026, Las Rozas is at 57.1% of its capacity, holding approximately 16 hm³ of water, according to MITECO data.
Is Las Rozas reservoir full?
No. As of June 9, 2026, Las Rozas is within its normal operating range at 57.1% of its capacity, so it is not full.
Is the water level at Las Rozas rising or falling?
The level at Las Rozas is falling — it dropped 3.6 percentage points over the latest week on record.
How much water can Las Rozas hold?
Las Rozas has a total capacity of 28 hm³, of which about 25 hm³ is usable storage.
Where is Las Rozas reservoir located?
Las Rozas is located in León, Castile and León, Spain, within the Miño - Sil basin (coordinates 42.921°N, 6.337°W).
What is Las Rozas used for?
Las Rozas is used primarily for multiple purposes, and is managed by CHS.