Tanes
Asturias · Asturias · Cantábrico Occidental
Capacity
34 hm³
Coordinates
43.204°N, 5.402°W
Operator
CHCoc
88.2% full
Current fill
88.2%vs 7 days ago
0.0%stable
vs 1 year ago
0.0%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 34 hm³ |
| Usable capacity | 30.6 hm³ |
| Primary use | Multi-purpose |
| Operator | CHCoc |
| Province | Asturias |
| Autonomous community | Asturias |
| River basin | Cantábrico Occidental |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 43.204, -5.402 · Open in Google Maps
About Tanes
As of July 27, 2026, Tanes is filled to 88.2% of its total capacity, holding roughly 30 hm³ of water out of a maximum 34 hm³. At this level the reservoir is high. Of that total, about 31 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Tanes — 420 data points between July 17, 2018 and July 27, 2026 — the level has ranged from a low of 44.1% (November 11, 2025) to a high of 100.0% (May 19, 2026). On average the reservoir is fullest around June and at its lowest around January.
It is operated by CHCoc primarily for multiple purposes. It lies within the Cantábrico Occidental basin at 43.204°N, 5.402°W.
Key facts
- Current fill level
- 88.2%
- Water stored
- 30 hm³
- Total capacity
- 34 hm³
- Usable capacity
- 31 hm³
- 7-day change
- No change
- Year-on-year
- No change
- Primary use
- Multipurpose
- River basin
- Cantábrico Occidental
- Operator
- CHCoc
- Coordinates
- 43.204°N, 5.402°W
- Last updated
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 88.2% | 30 |
| 20 Jul 2026 | 88.2% | 30 |
| 14 Jul 2026 | 94.1% | 32 |
| 7 Jul 2026 | 94.1% | 32 |
| 30 Jun 2026 | 97.1% | 33 |
| 23 Jun 2026 | 97.1% | 33 |
| 16 Jun 2026 | 100.0% | 34 |
| 9 Jun 2026 | 100.0% | 34 |
| 2 Jun 2026 | 100.0% | 34 |
| 26 May 2026 | 100.0% | 34 |
| 19 May 2026 | 100.0% | 34 |
| 12 May 2026 | 91.2% | 31 |
Frequently asked questions
What is the current water level of Tanes?
As of July 27, 2026, Tanes is at 88.2% of its capacity, holding approximately 30 hm³ of water, according to embalses.net data.
Is Tanes reservoir full?
No. As of July 27, 2026, Tanes is high at 88.2% of its capacity, so it is not full.
Is the water level at Tanes rising or falling?
The level at Tanes has been broadly stable over the latest week on record (0.0 points).
How much water can Tanes hold?
Tanes has a total capacity of 34 hm³, of which about 31 hm³ is usable storage.
Where is Tanes reservoir located?
Tanes is located in Asturias, Spain, within the Cantábrico Occidental basin (coordinates 43.204°N, 5.402°W).
What is Tanes used for?
Tanes is used primarily for multiple purposes, and is managed by CHCoc.

