Rozas, Las reservoir

León · Castilla y León

Miño - Sil basin Reservoirs in Castilla y LeónHydroelectric

Province: León
Basin: Miño - Sil
River: Sil
Dam: Gravity · 1968

14.3%

Current level

4 hm³

Stored water

28 hm³

Total capacity

-1.0 hm³

Weekly change

-7.0 hm³

Vs. 2025

-6.3 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Rozas, Las reservoir (embalse de Rozas, Las), in the Miño - Sil basin and linked to Villablino, Paramo Sil, León and Castilla y León, is at 14.3% of its capacity, holding 4 hm³ against a maximum capacity of 28 hm³. It is currently falling, by 1.0 hm³ this week.

Compared with 2025: below (-25.0 points). Compared with the recent historical mean: below (-22.5 points).

Its main uses include water supply and hydroelectric power.

References
Reference	Level	Difference
Previous week	17.9%	-3.6 pts
Same week 2025	39.3%	-25.0 pts
10-year mean	36.8%	-22.5 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Villablino, Paramo Sil
River: Sil
Dam type: Gravity
Year built: 1968
Surface area: 160 ha
Upstream: — no data
Downstream: Bárcena

Recorded uses

Water supply
Electricity
Fishing
Boating

Not recorded: irrigation, industrial, swimming, picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET