Tanes
Asturias · Asturias · Cantábrico Occidental
Capacity
34 hm³
Coordinates
43.204°N, 5.402°W
Operator
CHCoc
Current fill
100.0%vs 7 days ago
0.0%stable
vs 1 year ago
+5.9%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 June 9, 2026, Tanes is filled to 100.0% of its total capacity, holding roughly 34 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 is 5.9 points above its level on the same date a year earlier.
Across the readings we hold for Tanes — 418 data points between June 12, 2018 and June 9, 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
- 100.0%
- Water stored
- 34 hm³
- Total capacity
- 34 hm³
- Usable capacity
- 31 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 5.9 pts
- Primary use
- Multipurpose
- River basin
- Cantábrico Occidental
- Operator
- CHCoc
- Coordinates
- 43.204°N, 5.402°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 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 |
| 5 May 2026 | 85.3% | 29 |
| 28 Apr 2026 | 85.3% | 29 |
| 21 Apr 2026 | 88.2% | 30 |
| 14 Apr 2026 | 91.2% | 31 |
| 7 Apr 2026 | 91.2% | 31 |
| 31 Mar 2026 | 91.2% | 31 |
| 24 Mar 2026 | 91.2% | 31 |
Frequently asked questions
What is the current water level of Tanes?
As of June 9, 2026, Tanes is at 100.0% of its capacity, holding approximately 34 hm³ of water, according to MITECO data.
Is Tanes reservoir full?
Tanes is essentially full, sitting at 100.0% of capacity as of June 9, 2026.
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.