Llauset reservoir

Huesca · Aragón

Ebro basin Reservoirs in AragónHydroelectric

Province: Huesca
Basin: Ebro
River: Llauset
Dam: Arch · 1983

35.3%

Current level

6 hm³

Stored water

17 hm³

Total capacity

-1.0 hm³

Weekly change

-2.0 hm³

Vs. 2025

-4.2 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Llauset reservoir (embalse de Llauset), in the Ebro basin and linked to Montanuy, Huesca and Aragón, is at 35.3% of its capacity, holding 6 hm³ against a maximum capacity of 17 hm³. It is currently falling, by 1.0 hm³ this week.

Compared with 2025: below (-11.8 points). Compared with the recent historical mean: below (-24.7 points).

Its main uses include hydroelectric power.

References
Reference	Level	Difference
Previous week	41.2%	-5.9 pts
Same week 2025	47.1%	-11.8 pts
10-year mean	60.0%	-24.7 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Montanuy
River: Llauset
Dam type: Arch
Year built: 1983
Surface area: 45 ha
Upstream: — no data
Downstream: Escales

Recorded uses

Electricity
Fishing

Not recorded: water supply, irrigation, industrial, boating, swimming, picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET