Alarcón
Cuenca · Castile-La Mancha · Júcar
Capacity
1,118 hm³
Coordinates
39.657°N, 2.218°W
Operator
CHJ
Current fill
78.6%vs 7 days ago
-0.3%losing
vs 1 year ago
+9.9%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 1,118 hm³ |
| Usable capacity | 1,006.2 hm³ |
| Primary use | Multi-purpose |
| Operator | CHJ |
| Province | Cuenca |
| Autonomous community | Castile-La Mancha |
| River basin | Júcar |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.657, -2.218 · Open in Google Maps
About Alarcón
As of June 9, 2026, Alarcón is filled to 78.6% of its total capacity, holding roughly 879 hm³ of water out of a maximum 1,118 hm³. At this level the reservoir is within its normal operating range. Of that total, about 1,006 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.3 pts), and it is 9.9 points above its level on the same date a year earlier.
Across the readings we hold for Alarcón — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 30.6% (November 12, 2019) to a high of 79.5% (April 21, 2026). On average the reservoir is fullest around May and at its lowest around October.
It is operated by CHJ primarily for multiple purposes. It lies within the Júcar basin at 39.657°N, 2.218°W.
Key facts
- Current fill level
- 78.6%
- Water stored
- 879 hm³
- Total capacity
- 1,118 hm³
- Usable capacity
- 1,006 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▲ 9.9 pts
- Primary use
- Multipurpose
- River basin
- Júcar
- Operator
- CHJ
- Coordinates
- 39.657°N, 2.218°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 78.6% | 879 |
| 2 Jun 2026 | 78.9% | 882 |
| 26 May 2026 | 79.2% | 885 |
| 19 May 2026 | 79.3% | 887 |
| 12 May 2026 | 79.3% | 887 |
| 5 May 2026 | 79.3% | 887 |
| 28 Apr 2026 | 79.5% | 889 |
| 21 Apr 2026 | 79.5% | 889 |
| 14 Apr 2026 | 79.4% | 888 |
| 7 Apr 2026 | 79.2% | 886 |
| 31 Mar 2026 | 79.1% | 884 |
| 24 Mar 2026 | 78.7% | 880 |
Frequently asked questions
What is the current water level of Alarcón?
As of June 9, 2026, Alarcón is at 78.6% of its capacity, holding approximately 879 hm³ of water, according to MITECO data.
Is Alarcón reservoir full?
No. As of June 9, 2026, Alarcón is within its normal operating range at 78.6% of its capacity, so it is not full.
Is the water level at Alarcón rising or falling?
The level at Alarcón has been broadly stable over the latest week on record (-0.3 points).
How much water can Alarcón hold?
Alarcón has a total capacity of 1,118 hm³, of which about 1,006 hm³ is usable storage.
Where is Alarcón reservoir located?
Alarcón is located in Cuenca, Castile-La Mancha, Spain, within the Júcar basin (coordinates 39.657°N, 2.218°W).
What is Alarcón used for?
Alarcón is used primarily for multiple purposes, and is managed by CHJ.