Güístolas
Ourense · Galicia · Miño - Sil
Capacity
5 hm³
Coordinates
42.344°N, 7.303°W
Operator
CHS
80.0% full
Current fill
80.0%vs 7 days ago
0.0%stable
vs 1 year ago
+20.0%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 5 hm³ |
| Usable capacity | 4.5 hm³ |
| Primary use | Multi-purpose |
| Operator | CHS |
| Province | Ourense |
| Autonomous community | Galicia |
| River basin | Miño - Sil |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.344, -7.303 · Open in Google Maps
About Güístolas
As of July 27, 2026, Güístolas is filled to 80.0% of its total capacity, holding roughly 4 hm³ of water out of a maximum 5 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 20.0 points above its level on the same date a year earlier.
Across the readings we hold for Güístolas — 420 data points between July 17, 2018 and July 27, 2026 — the level has ranged from a low of 20.0% (November 13, 2018) to a high of 100.0% (February 5, 2019). On average the reservoir is fullest around February and at its lowest around June.
It is operated by CHS primarily for multiple purposes. It lies within the Miño - Sil basin at 42.344°N, 7.303°W.
Key facts
- Current fill level
- 80.0%
- Water stored
- 4 hm³
- Total capacity
- 5 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 20.0 pts
- Primary use
- Multipurpose
- River basin
- Miño - Sil
- Operator
- CHS
- Coordinates
- 42.344°N, 7.303°W
- Last updated
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 80.0% | 4 |
| 20 Jul 2026 | 80.0% | 4 |
| 14 Jul 2026 | 60.0% | 3 |
| 7 Jul 2026 | 60.0% | 3 |
| 30 Jun 2026 | 60.0% | 3 |
| 23 Jun 2026 | 60.0% | 3 |
| 16 Jun 2026 | 60.0% | 3 |
| 9 Jun 2026 | 60.0% | 3 |
| 2 Jun 2026 | 60.0% | 3 |
| 26 May 2026 | 60.0% | 3 |
| 19 May 2026 | 60.0% | 3 |
| 12 May 2026 | 60.0% | 3 |
Frequently asked questions
What is the current water level of Güístolas?
As of July 27, 2026, Güístolas is at 80.0% of its capacity, holding approximately 4 hm³ of water, according to embalses.net data.
Is Güístolas reservoir full?
No. As of July 27, 2026, Güístolas is high at 80.0% of its capacity, so it is not full.
Is the water level at Güístolas rising or falling?
The level at Güístolas has been broadly stable over the latest week on record (0.0 points).
How much water can Güístolas hold?
Güístolas has a total capacity of 5 hm³.
Where is Güístolas reservoir located?
Güístolas is located in Ourense, Galicia, Spain, within the Miño - Sil basin (coordinates 42.344°N, 7.303°W).
What is Güístolas used for?
Güístolas is used primarily for multiple purposes, and is managed by CHS.