Montearagón
Huesca · Aragon · Ebro
Capacity
52 hm³
Coordinates
42.188°N, 0.362°W
Operator
CHE
Current fill
67.3%vs 7 days ago
0.0%stable
vs 1 year ago
-26.9%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 52 hm³ |
| Usable capacity | 46.8 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| Province | Huesca |
| Autonomous community | Aragon |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.188, -0.362 · Open in Google Maps
About Montearagón
As of June 9, 2026, Montearagón is filled to 67.3% of its total capacity, holding roughly 35 hm³ of water out of a maximum 52 hm³. At this level the reservoir is within its normal operating range. Of that total, about 47 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 26.9 points below its level on the same date a year earlier.
Across the readings we hold for Montearagón — 297 data points between October 6, 2020 and June 9, 2026 — the level has ranged from a low of 9.6% (October 25, 2022) to a high of 100.0% (February 10, 2026). On average the reservoir is fullest around April and at its lowest around October.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.188°N, 0.362°W.
Key facts
- Current fill level
- 67.3%
- Water stored
- 35 hm³
- Total capacity
- 52 hm³
- Usable capacity
- 47 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 26.9 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.188°N, 0.362°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 67.3% | 35 |
| 2 Jun 2026 | 67.3% | 35 |
| 26 May 2026 | 67.3% | 35 |
| 19 May 2026 | 69.2% | 36 |
| 12 May 2026 | 71.2% | 37 |
| 5 May 2026 | 75.0% | 39 |
| 28 Apr 2026 | 76.9% | 40 |
| 21 Apr 2026 | 80.8% | 42 |
| 14 Apr 2026 | 84.6% | 44 |
| 7 Apr 2026 | 88.5% | 46 |
| 31 Mar 2026 | 92.3% | 48 |
| 24 Mar 2026 | 96.2% | 50 |
Frequently asked questions
What is the current water level of Montearagón?
As of June 9, 2026, Montearagón is at 67.3% of its capacity, holding approximately 35 hm³ of water, according to MITECO data.
Is Montearagón reservoir full?
No. As of June 9, 2026, Montearagón is within its normal operating range at 67.3% of its capacity, so it is not full.
Is the water level at Montearagón rising or falling?
The level at Montearagón has been broadly stable over the latest week on record (0.0 points).
How much water can Montearagón hold?
Montearagón has a total capacity of 52 hm³, of which about 47 hm³ is usable storage.
Where is Montearagón reservoir located?
Montearagón is located in Huesca, Aragon, Spain, within the Ebro basin (coordinates 42.188°N, 0.362°W).
What is Montearagón used for?
Montearagón is used primarily for multiple purposes, and is managed by CHE.

